Question 1

Is dodecanol (lauryl alcohol 12 alcohol L-23) harmful to the human body? Does it have an impact on the environment?

Accepted Answer

Dodecanol (lauryl alcohol L-23) is irritating and harmful to the human body, and is extremely toxic to the aquatic environment with long-lasting effects. Detailed Description Dodecanol (lauryl alcohol, CAS No.: 68439-50-9) is classified as a moderately hazardous chemical under normal industrial use conditions. According to the GHS classification, the signal word for this product is "Warning", and the hazard pictograms are GHS07 (exclamation mark) and GHS09 (environmental hazard). This means that although this product is not a highly toxic or carcinogenic substance, appropriate protective measures must be taken when handling it, and its potential hazards cannot be ignored. In terms of human health, dodecanol primarily causes irritating effects on the skin and eyes, rather than systemic poisoning. Its hazard is of a local irritation type, meaning that direct contact areas may trigger inflammatory reactions, but it generally does not cause systemic poisoning through skin absorption. In industrial operations, short-term exposure may only cause mild discomfort, but prolonged or repeated exposure may exacerbate issues such as skin dryness and cracking. In terms of the environment, the toxicity of dodecanol to aquatic organisms cannot be underestimated. This product is classified as "Hazardous to the aquatic environment - Acute Hazard: Category 1" and "Hazardous to the aquatic environment - Long-term Hazard: Category 2", meaning that even low-concentration discharges may cause lethal harm to fish, aquatic invertebrates, and algae, and this effect will persist in water bodies and is difficult to rapidly degrade naturally. Therefore, it is strictly prohibited to discharge wastewater containing dodecanol directly into natural water bodies without treatment. Technical Parameters Hazard CategoryGHS ClassificationHazard Statement Code Skin corrosion/irritationCategory 2H315 — Causes skin irritation Serious eye damage/eye irritationCategory 2H319 — Causes serious eye irritation Aquatic environment - Acute hazardCategory 1H410 — Very toxic to aquatic life Aquatic environment - Long-term hazardCategory 2H410 — Has long-lasting effects Signal wordWarning PictogramGHS07 (Exclamation mark) + GHS09 (Environment) Application Recommendations Given the above hazard characteristics of dodecanol, the following operational specifications must be strictly followed in industrial applications: operate in a well-ventilated area, wear protective gloves, protective goggles, and protective clothing (follow P280 preventive measures); thoroughly wash exposed skin after work (follow P264); do not eat, drink, or smoke during operation. From a formulation design perspective, when dodecanol is used in personal care products, the content in the final product is usually subjected to safety assessment, and it is safe for consumers at compliant concentrations. However, strict protection is still required during handling of the pure substance in production. Precautions Skin contact first aid: Immediately wash with plenty of soap and water, remove contaminated clothing. If skin irritation persists, seek medical attention (P302+P352, P332+P313). Eye contact first aid: Rinse carefully with water for several minutes; remove contact lenses if present and continue rinsing. If eye irritation persists, seek medical attention (P305+P351+P338, P337+P313). Spill treatment: Do not allow product to enter sewers, surce water, or groundwater. For small spills, absorb with inert materials such as sand; for large spills, dike and collect for recovery (P391). Waste disposal: Dispose of contents and containers at an approved waste treatment cility; high-temperature incineration is recommended; do not dump or landfill indiscriminately (P501). Storage conditions: Store at temperatures below 40°C, away from heat sources and strong oxidizers, keep container tightly closed, and avoid release to the environment (P273).

Question 2

What should I do if problems occur during the use of Dodecyl alcohol_Lauryl alcohol L-23? How to obtain technical support?

Accepted Answer

If you encounter problems while using Dodecyl alcohol/Lauryl alcohol L-23, immediately refer to the product safety data sheet for emergency measures and contact the professional technical team of Haian Guoli Chemical Co., Ltd. for solutions. Common problems and troubleshooting suggestions during use Problems related to product state, performance, or compatibility that may occur during the use of Dodecyl alcohol (Lauryl alcohol) can usually be investigated from the following aspects: Abnormal product form: The melting point of Dodecyl alcohol is 23~25°C. At low temperatures, it may solidify into a white waxy solid, which is normal. Before use, it can be slowly melted by heating in a warm water bath (not exceeding 40°C). Direct heating with an open flame is strictly prohibited. Poor dissolution and dispersion: This product is easily soluble in organic solvents such as ethanol and ether. However, if used in an aqueous system, it should be pre-mixed with an appropriate amount of nonionic surctant (such as AEO series) for solubilization, or dispersed by slow pouring and strong stirring. Formulation compatibility issues: If precipitation, stratification, or abnormal thickening occurs in a compounding system, check the HLB value matching degree and electrolyte content of the system, and confirm whether there are strong oxidants incompatible with tty alcohols. Deviation of raw material indicators: If batch-to-batch performance differences are suspected, check the key indicators in the product Certificate of Analysis (COA)—the hydroxyl value should be in the range of 290~305 mgKOH/g, iodine value ≤1, and moisture ≤0.5%. These parameters directly affect the conversion rate and yield of downstream derivatization reactions. How to obtain official technical support from Guoli Chemical Haian Guoli Chemical Co., Ltd. provides comprehensive technical support services for all products. You can contact us through the following channels: Contact your dedicated sales manager directly: This is the stest response channel for issues. If you have a fixed business contact, you can call or send an email directly, providing the product batch number, description of the problem, and relevant photos/videos. We will prioritize handling during working hours. Call the company's main line: Call the official customer service number of Guoli Chemical (as published on the official website), state that you need "technical support for Dodecyl alcohol L-23 product", and the customer service personnel will transfer you to the corresponding application engineer. Online consultation on the official website: Visit the official website of Guoli Chemical, submit a problem ticket online through the "Technical Support" or "Contact Us" page. It is recommended to specify the product name (Dodecyl alcohol/Lauryl alcohol), CAS number (68439-50-9), and application field for accurate assignment of experts. Request the product Certificate of Analysis (COA): If you need to verify the physicochemical parameters and technical indicators of the product, directly request the COA file of the corresponding batch from your sales consultant. This file contains actual test data and is a key basis for troubleshooting quality issues. Please prepare the following information before contacting Full product name and batch number (see label on drum) Specific description of the problem (such as color change, stratification, clogging, abnormal reaction, etc.) Your usage conditions (temperature, pH value, raw material combination, dosage) Storage conditions and storage duration If it involves human contact, immediately follow the first aid measures in the safety instructions and provide the CAS number of this product when seeking medical attention Emergency handling tips In case of leakage, skin/eye contact, fire, or other emergencies during use, please refer to the emergency handling section in the product Safety Data Sheet (SDS) first. Ensure personal safety before contacting our company to report the incident. We can provide guidance documents for chemical accident handling and waste disposal solutions.

Question 3

How to purchase Dodecanol/Lauryl Alcohol 12 Alcohol L-23? What is the minimum order quantity?

Accepted Answer

Currently, the official website does not display the specific price and minimum order quantity for Dodecanol/Lauryl Alcohol 12 Alcohol L-23. Please contact the Guoli Chemical sales team for the latest quotation and ordering policy. Detailed Description Dodecanol (Lauryl Alcohol 12 Alcohol L-23), as an important fine chemical raw material of Guoli Chemical, its price is affected by various ctors such as raw material market fluctuations, order quantity, packaging specifications, and transportation distance. Therefore, real-time selling price and minimum order quantity (MOQ) are not directly published on the website. It is recommended that you directly contact the sales team of Guoli Chemical, providing your estimated usage, application field, and region to obtain the most accurate quotation and starting order conditions. From the product packaging information, Guoli Chemical offers a variety of standardized packaging specifications for this product: 50kg plastic drum, 200kg plastic drum, and IBC tote, which reflects that the product can flexibly meet different needs from small batch sampling to large-scale procurement. Typically, the minimum order quantity for chemical raw materials is related to the packaging unit, for example, starting from a single packaging drum. As of June 2026, the product price information is still marked as 'The above price is for reference only, please contact the sales team for the latest quotation', indicating that the market price is in a dynamic adjustment period. To ensure you obtain the latest and most vorable procurement plan, proactive consultation is necessary. Technical Parameters ParameterDetails Product NameDodecanol/Lauryl Alcohol 12 Alcohol L-23 CAS No.68439-50-9 AliasesLauryl Alcohol, 1-Dodecanol, n-Dodecanol, Lauryl Alcohol Packaging Specifications50kg plastic drum / 200kg plastic drum / IBC tote Price InformationPlease contact the sales team for the latest quotation Minimum Order QuantityNo public data available, please consult sales for confirmation Application Suggestions Before consulting for purchase, it is recommended that you clarify the following information so that the sales team can provide accurate service: Application Direction: Is it for synthesizing anionic surctants (such as SLS/SLES), nonionic surctants (such as AEO series), or in personal care products, industrial auxiliaries, etc.? Different applications may require corresponding grades with different purities and technical specifications. Estimated Usage: Annual usage or single purchase quantity, which directly affects the quotation discount and logistics plan. Logistics Requirements: Whether special transportation conditions are required (this product may be waxy solid at room temperature), and the receiving area. Precautions Dodecanol is classified as skin irritant (Category 2) and serious eye irritant (Category 2) under GHS classification, and is highly toxic to aquatic life. When storing and using after purchase, be sure to follow safety operating procedures, wear protective gloves and goggles, and strictly prohibit the discharge of untreated waste liquid into natural water bodies.

Question 4

Dodecanol_lauryl alcohol 12 alcohol L-23 meets environmental requirements? Can a test report be provided?

Accepted Answer

Dodecanol/lauryl alcohol L-23 is extremely toxic to aquatic organisms and is not an environmentally friendly product. Emissions must be strictly controlled. For test reports (such as product analysis certificates), please contact the Guoli Chemical technical support team. Detailed Explanation According to Guoli Chemical's product safety data, dodecanol (lauryl alcohol) L-23 poses significant risks in terms of environmental compliance. This product is classified by GHS as "Hazardous to the aquatic environment - Acute hazard: Category 1" and "Hazardous to the aquatic environment - Long-term hazard: Category 2", with the hazard statement clearly marked as H410: Very toxic to aquatic life with long-lasting effects. This means dodecanol is not typically considered a "green" or "biodegradable-friendly" product, and users must be fully aware of its environmental risks. From a regulatory perspective, this product must comply with strict emission control requirements. The safety operation instructions clearly state P273: Avoid release to the environment, spill emergency procedures require preventing entry into sewers, surce water, and groundwater, and waste disposal requires P501: Dispose of contents/container to an approved waste disposal plant in accordance with local/national/international regulations, with high-temperature incineration recommended and no arbitrary dumping or landfilling allowed. Therefore, enterprises using this product must establish comprehensive environmental protection measures in wastewater treatment and waste management to ensure compliant operations. Regarding test reports, the product description clearly states: "For detailed physical and chemical parameters and technical indicators of this product, please refer to the product analysis certificate or contact our technical support team." As the manucturer, Guoli Chemical can provide quality inspection documents including Certificate of Analysis (COA) and product technical specifications. For specific test items, indicator ranges, and measured data from the latest batch, it is recommended to directly contact the Guoli Chemical technical support team, provide your specific needs (such as procurement batch, required test items, etc.), and obtain the corresponding formal test report. The product maintains high consistency in quality across batches, with a narrow carbon chain distribution, ensuring the reference value of the report. Technical Parameters Environmental IndicatorsDataSource Acute aquatic hazardCategory 1 (Extremely toxic)GHS Classification Long-term aquatic hazardCategory 2 (Long-lasting effects)GHS Classification Hazard statementH410: Very toxic to aquatic life with long-lasting effectsSDS Safety Data Emission requirementStrictly prohibited from discharging into natural water bodies without treatmentProduct Safety Instructions Waste disposal methodHigh-temperature incineration (requires flue gas purification equipment)Waste Disposal Guidelines BiodegradabilityNot available for this parameter (contact technical support for confirmation)— VOC contentNot available for this parameter— Application Recommendations Given the high aquatic toxicity of dodecanol L-23, it is recommended to manage environmental compliance in the following areas: Wastewater treatment: Wastewater containing dodecanol generated during production or use must be treated through a professional wastewater treatment system (such as activated sludge process, advanced oxidation, etc.) to meet discharge standards before release. Direct discharge is prohibited. Leak prevention: Storage areas should be equipped with spill containment dikes and absorbent materials (sand, vermiculite, etc.), and a comprehensive spill emergency response plan should be established. End-of-life treatment: Waste products and contaminated materials must be disposed of by qualified hazardous waste treatment units in compliance with regulations, and hazardous waste transfer manifests should be retained for inspection. Alternative assessment: If the project has clear environmental certification requirements (such as EU Ecolabel, Nordic Swan, etc.), it is recommended to evaluate the feasibility of replacing with short-chain or natural source tty alcohols. Precautions When handling, wear protective gloves, safety goggles, and protective clothing to avoid skin and eye contact. The product itself is labeled with GHS07 (exclamation mark) and GHS09 (environment) pictograms. During transportation, storage, and use, it must comply with hazardous chemical management requirements. To obtain formal COA, SDS, or third-party test reports, please directly call Guoli Chemical's sales or technical support department and provide the required product batch number and list of test items. If the product is for export, verify the environmental regulatory requirements of the target market (e.g., EU REACH, US TSCA, etc.) in advance to assess compliance gaps.

Question 5

What are the advantages of Dodecanol_ Lauryl Alcohol 12 Alcohol L-23 compared to other similar products?

Accepted Answer

The core advantage of Guoli Chemical Dodecanol/Lauryl Alcohol 12 Alcohol L-23 lies in its high purity (≥99%), extremely low impurity content, and narrow carbon chain distribution, ensuring that the conversion rate and batch stability of downstream derivative reactions are significantly better than common products on the market. Detailed Explanation Compared to conventional industrial-grade lauryl alcohol on the market, Guoli Chemical's Dodecanol L-23 adopts stricter control standards in raw material screening and rectification processes. This means that the moisture content (≤0.5%), acid value (≤0.5 mg KOH/g), and other organic impurities are controlled to extremely low levels. For manucturers relying on ethoxylation or sultion reactions, high-purity raw materials can effectively reduce side reactions and improve the color and odor quality of final anionic surctants (such as SLS/SLES) and nonionic surctants (AEO series), which is difficult to achieve with ordinary purity lauryl alcohol. Another significant differentiated advantage of this product is the concentration of its carbon chain distribution. The database shows its physical form is C12-14 tty alcohol, with an average molecular weight of approximately 194 and a melting point precisely controlled between 23~25°C. This narrow-distribution tty alcohol performs particularly well in personal care applications—when used as an emulsifier or emollient ester precursor, it provides a more consistent and refreshing spread feel; whereas some cheaper similar products, due to containing more C14 or even C16 miscellaneous alcohols, often lead to a thicker cream texture, whitening upon application, or produce an unpleasant greasy sensation. In terms of stability and safety compliance, the iodine value of Guoli Chemical L-23 is controlled at ≤1, meaning it has extremely low unsaturation, strong antioxidant capacity, and is less prone to discoloration or off-odors during storage and subsequent high-temperature reactions. At the same time, the product strictly follows GHS classification requirements, with heavy metal (≤10 mg/kg) and arsenic (≤2 mg/kg) content r below conventional reagent-grade standards, making it safe for use in highly sensitive fields such as daily chemicals, textiles, and even pharmaceutical intermediates, thereby saving customers from the risk of end-product testing ilures caused by excessive impurities in raw materials. Technical Parameters Parameter ItemGuoli Chemical Dodecanol L-23Common Similar Products on Market (Reference) Active Content≥99%97%-98% Hydroxyl Value (mg KOH/g)290-305285-300 Iodine Value (g I₂/100g)≤1≤2 Moisture (%)≤0.5≤1.0 Acid Value (mg KOH/g)≤0.5≤1.0 Heavy Metals (mg/kg)≤10≤20 Arsenic (mg/kg)≤2Usually not clearly controlled Surce Tension (25°C)Approx. 29.8 mN/mApprox. 30-32 mN/m Application Suggestions High-quality daily chemical production: If customers are developing high-end additive-free or sensitive-skin formulations, it is recommended to prioritize Guoli Chemical L-23 as the backbone raw material; its high purity and low residual by-products that cause irritation can significantly enhance the safety rating of the final product. Chemical reactions under harsh conditions: When conducting high-molar-ratio ethoxylation or ester synthesis with strict color requirements, the advantages of low moisture and low acid value effectively prevent catalyst poisoning and deactivation, ensuring consistency in molecular weight distribution. Precision industrial cleaning: In electronic-grade or optical-grade cleaning formulations, trace amounts of heavy metal ion residues may corrode substrates. Guoli Chemical L-23's strict metal control makes it an ideal hydrophobic main component for precision industrial cleaners. Precautions Although the product quality is extremely high, it still lls under GHS Category 2 skin/eye irritant, and is very toxic to aquatic life (H410). Operation must follow the safety data sheet, wearing protective gloves and goggles; any industrial wastewater containing this product must be pre-treated and strictly prohibited from direct discharge into natural water bodies.

Question 6

How to store dodecanol (lauryl alcohol L-23)? What is the shelf life?

Accepted Answer

Dodecanol (lauryl alcohol L-23) should be stored in a cool, dry, and well-ventilated warehouse, keeping the container tightly closed. The storage temperature is recommended to be below 40°C. Under proper storage conditions, the shelf life is usually 12 to 24 months (if the product does not specify a clear shelf life, it is recommended to refer to the product analysis certificate or contact Guo Li Chemical technical support for confirmation). Detailed explanation Dodecanol (lauryl alcohol L-23, CAS number: 68439-50-9) is a linear saturated tty alcohol, appearing as a colorless liquid or white waxy solid at room temperature. The core storage points are moisture prevention, heat prevention, and contamination prevention. Due to the product's high toxicity to aquatic organisms, leakage into sewers or natural water bodies must be strictly prevented during storage. The product undergoes a morphological change (liquid ⇄ waxy solid) with temperature changes. The storage temperature should be strictly controlled below 40°C to avoid repeated melting/solidification cycles that may cause container deformation or product quality degradation. Meanwhile, the warehouse should use anti-static flooring and grounding systems, use non-sparking tools, and keep away from incompatible substances such as fire, heat sources, and strong oxidizers. Storage conditions overview Storage elementSpecific requirement Environment requirementCool, dry, well-ventilated warehouse Temperature requirementRecommended below 40°C to prevent container deformation caused by melting/solidification Container statusKeep tightly closed to prevent moisture absorption and impurity ingress Substances to avoidFire sources, heat sources, strong oxidizers, and other incompatible substances Safety cilitiesAnti-static flooring, grounding system, non-sparking tools Stacking requirementDo not exceed specified stacking height, leave fire access, equip with fire extinguishing equipment Environmental requirementAvoid release into the environment (P273), strictly prohibit discharge into sewers and natural water bodies Shelf life recommendation The product database does not specify the exact shelf life of dodecanol L-23. According to chemical industry practices and the stability characteristics of such tty alcohol products, under strict compliance with the above storage conditions, the recommended shelf life is generally 12 to 24 months. The actual shelf life may vary depending on packaging specifications and storage environment differences. It is recommended: To follow the shelf life indicated on the product packaging batch label or product analysis certificate (COA) To regularly inspect the product's appearance, color, odor, and other indicators; stop using if abnormalities are found To follow the "first in, first out" principle, prioritizing batches with earlier production dates Precautions This product is classified under GHS: skin irritation (Category 2), eye irritation (Category 2), acute aquatic hazard (Category 1). Wear protective gloves, protective clothing, and safety goggles during operation. In case of leakage, immediately absorb with inert absorbent materials (such as sand, vermiculite), collect into a closed container for disposal, and prevent entry into sewers and groundwater. Waste disposal must be delivered to approved waste treatment plants in accordance with national/local regulations; high-temperature incineration is recommended (P501). For precise shelf life data, please contact the Guo Li Chemical technical support team to request the product analysis certificate for the specific batch.

Question 7

What safety precautions should be taken when using Dodecanol (Lauryl Alcohol / L-23)?

Accepted Answer

Dodecanol (Lauryl Alcohol / L-23) is classified as an irritating chemical under GHS. During use, attention must be paid to preventing skin/eye irritation and hazards to the aquatic environment. Wear protective equipment throughout the operation. Detailed Description Dodecanol (Lauryl Alcohol, CAS No.: 68439-50-9), although a widely used fine chemical raw material, poses clear hazards to human health and the aquatic environment according to the GHS classification standard. The product is classified as Skin Corrosion/Irritation Category 2, Serious Eye Damage/Eye Irritation Category 2, and Hazardous to the Aquatic Environment - Acute Hazard Category 1 and Chronic Hazard Category 2. The signal word is "Warning", and hazard statements include: H315 (Causes skin irritation), H319 (Causes serious eye irritation), H410 (Very toxic to aquatic life with long-lasting effects). In daily operations, strict compliance with industrial hygiene regulations is necessary. Before work, wear impermeable protective gloves (e.g., nitrile rubber gloves), chemical safety goggles or ce shield, and protective clothing. The operation area should be well-ventilated to avoid inhaling vapors or mists (especially when the material is heated and melted). Eating, drinking, and smoking are prohibited during operation. After work, thoroughly wash exposed skin according to P264 requirements. Additionally, use explosion-proof electrical equipment and ventilation/lighting systems, and take anti-static grounding measures to prevent risks from static accumulation. In terms of storage and environmental protection, dodecanol should be stored in a cool, dry, well-ventilated warehouse, away from fire, heat sources, and incompatible substances such as strong oxidizers. Containers must be kept tightly closed. The storage temperature is recommended to be below 40°C to prevent repeated melting/solidification of the material from causing container deformation or leakage. Most importantly, the P273 principle must be followed—avoid release to the environment. This product is extremely toxic to aquatic life with long-lasting effects. It is strictly prohibited to discharge it untreated into sewers, surce water, or groundwater. Emergency Response Guidelines Emergency SituationEmergency Measures Skin ContactImmediately remove contaminated clothing and rinse thoroughly with plenty of soap and water. If skin irritation persists, seek medical advice/attention following P332+P313. Contaminated clothing must be washed before reuse. Eye ContactImmediately rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do, then continue rinsing. If eye irritation persists, seek medical advice/attention following P337+P313. InhalationMove the patient to fresh air and keep the airway clear. If breathing is difficult, give oxygen; if breathing stops, immediately perform artificial respiration and seek medical attention. IngestionRinse mouth, do not induce vomiting. Drink 1-2 glasses of water to dilute and seek medical attention immediately. Do not give anything by mouth to an unconscious person. Spill HandlingEvacuate personnel upwind, isolate the area, and eliminate all ignition sources. For small spills, absorb with inert absorbent material (e.g., sand, vermiculite) and place in a sealed container. For large spills, dike and contain, then transfer using explosion-proof pumps. Follow P391: collect spillage to prevent entry into waterways. FireUse dry powder, carbon dioxide, water spray, or alcohol-resistant foam for extinguishing. Firefighters must wear self-contained positive-pressure breathing apparatus and full protective clothing. Avoid directing water streams directly at molten material to prevent splashing, and cool heat-exposed containers to prevent rupture. Key Points for Daily Operations Personal Protective Equipment (PPE): Protective gloves + safety goggles/ce shield + protective clothing are standard and cannot be omitted. A well-ventilated work environment and anti-static measures are the two basic conditions for ensuring safety. Environmental Red Line: This product has a very high hazard level to the aquatic environment (H410), which is the most important environmental risk point during use. All wastewater and waste containing this product must be disposed of professionally by approved waste treatment cilities (high-temperature incineration with flue gas purification is recommended). It must not be dumped or discharged into natural water bodies. Empty containers should also be emptied and treated as hazardous waste of the same level, following P501 regulations. Notes The product may be a waxy solid at room temperature. If heating and melting operations are required, control the temperature to avoid overheating and generating large amounts of vapor. Handle storage containers with care, use non-sparking tools, ensure stacking heights comply with regulations, and keep fire access routes clear. It is recommended to conduct regular environmental monitoring of the workplace to ensure vapor concentrations are within safe limits. For detailed physicochemical parameters and toxicological information, please refer to the product Certificate of Analysis (COA) or contact the Guoli Chemical Technical Support Team.

Question 8

How to use Dodecanol_Laurel alcohol 12 alcohol L-23? What is the recommended addition amount?

Accepted Answer

The usage of Dodecanol_Laurel alcohol 12 alcohol L-23 varies significantly depending on the application field—when used as a raw material for surctant synthesis, it requires chemical reaction; as a co-emulsifier or thickener, it can be directly added to the formulation; the recommended addition amount generally ranges from 0.5% to 30% depending on the scenario, and needs to be determined through experiments. Detailed Description Dodecanol (Laurel alcohol 12 alcohol L-23, CAS No.: 68439-50-9) is a high-purity C12-14 tty alcohol provided by Guoli Chemical, with active content ≥99% and melting point of 23~25°C. At lower room temperatures, the product appears as a white waxy solid; at slightly higher temperatures (>25°C), it is a colorless liquid. If the product solidifies before use, the packaging drum can be slowly melted in a 25~35°C warm water bath or constant temperature environment; direct open flame heating is strictly prohibited. After melting, shake gently to mix evenly before normal use. The usage of this product can be divided into two main routes: As a chemical synthesis intermediate—preparation of downstream surctants (such as AEO series, SLS/SLES, etc.) through ethoxylation, sultion, esterification, etc.; this route requires a professional reactor under specific process conditions; As a direct formulation additive—used as a co-emulsifier and thickener in personal care creams and lotions, as a solvent or foam regulator in industrial cleaning formulations, or as a softener and smoothing component in textile auxiliaries; add directly and stir evenly. Regardless of the application, small-scale experiments are recommended before addition to confirm compatibility and optimal dosage. The HLB value of this product is approximately 1.3, indicating strong hydrophobicity. It is insoluble in water but readily soluble in ethanol, ether, and oil-phase systems. Therefore, in water-based formulations, it needs to be emulsified and dispersed with the help of other surctants, or pre-dissolved in the oil phase/alcohol phase before being added to the system. Technical Parameters Parameter NameGuoli Chemical Product Specifications Appearance (25°C)Colorless liquid or white waxy solid Active Content≥99% Melting Point23~25°C Flash Point (Closed Cup)>110°C Hydroxyl ValueApproximately 290-305 mgKOH/g HLB ValueApproximately 1.3 Acid Value≤0.5 mgKOH/g Iodine Value≤1 pH (1% Aqueous Solution)6.0-8.0 Moisture Content≤0.5% Density (25°C)0.82-0.84 g/cm³ SolubilityReadily soluble in organic solvents such as ethanol and ether; insoluble in water Application Recommendations Personal Care Products (Creams/Lotions/Shampoos): As a co-emulsifier and thickening component, the recommended addition amount is 0.5%~3% of the total formulation. It is typically used in combination with primary emulsifiers (such as AEO series, glyceryl stearate, etc.) and should be pre-heated to a molten state (approximately 40~50°C) before adding to the oil phase, then homogenized and emulsified. In shampoos, it can also serve as a supertting agent and pearlescent stabilizer, with an addition amount generally not exceeding 2%. Industrial Cleaning and Detergent Formulations: As an auxiliary degreasing solvent or foam control component, the recommended addition amount is 1%~5%. In concentrated liquid cleaning formulations, adding an appropriate amount of dodecanol can effectively adjust foam height and improve rinsing performance. For precision metal cleaning, it can be used as one of the compounding solvents, with a recommended dosage of 5%~15%. Textile Auxiliaries and Leather Treatment: As a basic raw material for smoothing agents and softeners, the recommended effective content in the final auxiliary product is 10%~30% (based on the final compounded product). It needs to be used in combination with nonionic emulsifiers to prepare a stable aqueous emulsion before application. The actual dosage should be determined through process trials based on fiber type and desired hand feel. Surctant Synthesis (AEO/SLS/SLES, etc.): As a core reaction raw material, the dosage is calculated based on the stoichiometric ratio of the reaction; there is no fixed "addition amount" concept. For example, in the synthesis of laureth surctants (AEO-3/7/9), the molar ratio of dodecanol to ethylene oxide determines the EO addition number of the final product, and the reaction conditions must be strictly controlled in professional chemical synthesis equipment. Flavors and Fragrances and Organic Synthesis Intermediates: The dosage depends on the target reaction pathway, usually participating in reactions such as esterification and oxidation in molar equivalents, and must be calculated according to the specific synthesis process route. Note: The above addition amounts are industry general experience ranges. The Guoli Chemical product database does not have official recommended addition amounts for each application scenario. It is recommended that customers determine the optimal dosage through formulation experiments. Precautions Melting Operation: The melting point of the product is 23~25°C, and it solidifies at low temperatures. If melting is required before use, slowly heat in a 25~35°C water bath. Direct open flame heating or heat sources exceeding 50°C are strictly prohibited to prevent container deformation and product quality deterioration. Personal Protection: Wear protective gloves, goggles, and protective clothing during operation to avoid direct contact with skin and eyes. Ensure good ventilation in the workplace. Storage Conditions: Store in a cool, dry, and well-ventilated warehouse, with temperature recommended below 40°C, away from fire sources and strong oxidizing agents. Keep containers tightly sealed to avoid moisture absorption. Environmental Safety: This product is highly toxic to aquatic life (GHS classification: Hazardous to the aquatic environment - Acute Category 1). Do not discharge wastewater containing this product directly into natural water bodies. Waste disposal must be handed over to an approved waste treatment cility. Compatibility Testing: Before formal production, conduct small-scale formulation compatibility tests to confirm the stability of the combination with other components. Packaging Specifications: Guoli Chemical offers 50kg plastic drums, 200kg plastic drums, and IBC tote packaging. Choose the appropriate specification based on production needs.

Question 9

What industries and processes are the main applications of Dodecanol/Lauryl Alcohol 12 Alcohol L-23?

Accepted Answer

The core applications of Dodecanol/Lauryl Alcohol 12 Alcohol L-23 cover multiple fine chemical industries and process stages, including surctants, personal care, industrial cleaning, textile and leather, lubricants and plastics, flavors and fragrances, and pharmaceutical intermediates. Detailed Description Dodecanol_Lauryl Alcohol 12 Alcohol L-23 (CAS: 68439-50-9) is an important C12-14 tty alcohol that holds a key raw material position in the fine chemical industry due to its high purity, excellent surce activity, and high reactivity. It can be directly used as an auxiliary agent in formulations and serves as a crucial intermediate for synthesizing various derivative chemicals. Its applications span multiple industries, including daily chemicals, textiles, leather, cleaning, flavors and fragrances, and pharmaceuticals. In the surctant industry, dodecanol is the core hydrophobic raw material for preparing anionic surctants (e.g., sodium lauryl sulte SLS, sodium lauryl ether sulte SLES) through sulfonation or sultion reactions, widely used in shampoos, body washes, and industrial cleaners; simultaneously, it can be ethoxylated to produce nonionic tty alcohol polyoxyethylene ethers (AEO series), applied in textiles and papermaking. In personal care and cosmetics, it is directly used as a co-emulsifier, thickener, and emollient carrier, providing stable structure and a fine skin feel for creams and lotions. In industrial auxiliaries and additives, it is a basic raw material for textile smoothing agents, softeners, and leather tliquoring agents; its derived esters are also important components of high-grade lubricants and plastic plasticizers. Furthermore, in the field of organic synthesis, dodecanol can be converted into flavor and fragrance intermediates such as dodecanal and dodecanoate esters through oxidation, esterification, and other processes. It can also serve as a pharmaceutical intermediate by introducing a hydrophobic long-chain alkyl group for modification of drug delivery carriers and biodegradable materials, demonstrating high process application value. Application Fields and Processes Overview Industry Field Specific Application Process\/Product Function\/Principle Surctant Synthesis Sulfonation\/sultion to produce SLS, SLES; ethoxylation to produce AEO series Provides hydrophobic group, constructs anionic\/nonionic surctants Personal Care & Cosmetics Emulsification and thickening of creams and lotions; synthesis of emollient esters (e.g., lactate esters) Co-emulsification, thickening, softening cuticles, improving skin feel Household & Industrial Cleaning Concentrated detergent formulations, dishwashing detergents, electronic and metal degreasing cleaning Oil removal and soil removal, foam control, solvent-based cleaning Textile Dyeing & Printing Basic raw materials for smoothing agents, antistatic agents, and softeners Adsorbs onto fiber surce, reduces friction coefficient, improves hand feel Leather Processing Leather tliquoring process Lubricates and separates leather fibers, imparts soft and full texture Lubricants & Plastics Synthetic ester lubricants, plastic plasticizer intermediates Enhances lubricity, thermal stability, improves processing flexibility Flavors & Fragrances Oxidation and esterification to prepare dodecanal, dodecanoate esters Provides waxy, floral notes, used in daily chemical and food flavoring Pharmaceutical Intermediates Modification of drug delivery carriers, synthesis of biodegradable materials Introduces hydrophobic long-chain alkyl groups, participates in building pharmacologically active molecules Technical Parameters (Reference) The following are typical product specifications of Guoli Chemical's Dodecanol\/Lauryl Alcohol 12 Alcohol L-23. For batch-specific data, please refer to the Certificate of Analysis (COA): Parameter Name Specification Appearance Colorless liquid or white solid Active Content ≥99% C12-14 Molar Ratio Primarily C₁₂H₂₆O, with small amounts of C₁₄H₃₀O Hydroxyl Value Approx. 290-305 mgKOH\/g Acid Value ≤0.5 mgKOH\/g Saponification Value ≤0.5 mgKOH\/g Iodine Value ≤1 gI₂\/100g (extremely low unsaturation) Moisture Content ≤0.5% Density (25°C) 0.82-0.84 g\/cm³ Melting Point 23-25°C Flash Point (Closed Cup) ＞110°C Kinematic Viscosity (25°C) 12-15 mm²\/s Application Recommendations Formulation Application: When used as a co-emulsifier and thickener in personal care formulations, it is recommended to combine with other primary emulsifiers (e.g., tty alcohol polyoxyethylene ethers) to achieve a more stable emulsion system. As a starting raw material for surctant synthesis, the process route (sulfonation, sultion, or ethoxylation) should be selected based on the target product, with precise control over molar ratios and reaction conditions. Handling & Storage: The product has a melting point of 23-25°C and may be solid at low temperatures. Before use, it can be slowly melted using a warm water bath (below 40°C) to avoid localized overheating. Store in a tightly closed container in a cool, dry place, away from strong oxidizing agents. Industrial Versatility: Due to its high purity (≥99%) and narrow carbon chain distribution, it ensures high batch-to-batch consistency of downstream derivatives, especially suitable for pharmaceutical and flavor & fragrance synthesis processes demanding high quality stability. Precautions Health & Safety: This substance causes skin irritation (H315) and serious eye irritation (H319). During handling, protective gloves, protective clothing, and safety goggles must be worn, and adequate ventilation must be ensured. If skin contact occurs, wash with plenty of soap and water. If it enters the eyes, rinse carefully with water for several minutes and seek medical attention. Environmental Hazards: Very toxic to aquatic life with long-lasting effects (H410). Do not discharge the product or wastewater containing it directly into water bodies. In case of spillage, collect immediately; waste gas and liquid must be incinerated at a licensed treatment cility. Do not discard or landfill arbitrarily.

Question 10

What are the physicochemical parameters of Dodecyl Alcohol / Lauryl Alcohol L-23?

Accepted Answer

Dodecyl Alcohol / Lauryl Alcohol L-23 is a high purity C12-14 tty alcohol, colorless liquid or white waxy solid at room temperature, CAS No. 68439-50-9, active matter content ≥99%, and is a core chemical raw material for the synthesis of anionic and nonionic surctants. Detailed Description Dodecyl Alcohol (Lauryl Alcohol / L-23), produced by Guoli Chemical, is mainly composed of C₁₂H₂₆O and a small amount of C₁₄H₃₀O, with an average molecular weight of about 194. The product appears as a colorless liquid or white solid at room temperature, exhibiting the typical chemical properties of long-chain primary tty alcohols. It has high reactivity and can undergo various derivatization reactions such as ethoxylation, sultion, and esterification smoothly. Its HLB value is about 1.3, making it a strongly hydrophobic nonionic surctant intermediate. This product has high purity and narrow carbon chain distribution, ensuring batch consistency and formulation reliability in downstream applications. It is readily soluble in organic solvents such as ethanol and ether, has low solubility in water, and its surce tension (25°C) is approximately 29.8 mN/m. The melting point is 23~25°C. It may be solid at slightly lower temperatures and liquid at slightly higher temperatures, which is a normal physical characteristic of tty alcohols with this chain length. Physicochemical Parameter Table Chemical Identification Information Product Name C12-14 tty Alcohol (Dodecyl Alcohol / Lauryl Alcohol L-23) CAS No. 68439-50-9 Molecular Formula C₁₂H₂₆O (main) and C₁₄H₃₀O Molecular Weight Approx. 186-214 (average ~194) Ionic Type Nonionic Physical Properties Appearance Colorless liquid or white solid Melting Point 23~25°C Density 0.82~0.84 g/cm³ Kinematic Viscosity (25°C) 12-15 mm²/s Low Shear Viscosity (25°C) Approx. 10 mPa·s Refractive Index (20°C) 1.442-1.447 Flash Point (Closed Cup) ＞110°C Surce Tension (25°C) Approx. 29.8 mN/m HLB Value Approx. 1.3 Cloud Point None Hygroscopicity Low Solubility Readily soluble in organic solvents such as ethanol and ether Chemical Indicators Active Matter Content ≥99% Solid Content 100% (pure product) Free Alcohol Content ≥99% Hydroxyl Value Approx. 290-305 mgKOH/g Acid Value ≤0.5 mgKOH/g Saponification Value ≤0.5 mgKOH/g Iodine Value ≤1 gI₂/100g Moisture ≤0.5% pH (1% Aqueous Solution) 6.0-8.0 pH (5% Aqueous Solution) 6.0-8.0 Unsaturation Very low (Iodine value ≤1) Chemical Stability Stable at room temperature, avoid contact with strong oxidizing agents Alkali Resistance Stable Safety and Environmental Indicators Heavy Metals (as Pb) ≤10 mg/kg Arsenic (As) ≤2 mg/kg GHS Classification Skin Irritation Category 2, Eye Irritation Category 2, Acute Aquatic Toxicity Category 1, Chronic Aquatic Toxicity Category 2 Packaging Specifications Packaging Options 50kg plastic drum / 200kg plastic drum / IBC tote Technical Parameter Interpretation and Selection Recommendations Purity Indicators: Active matter content ≥99%, moisture ≤0.5%, acid value ≤0.5, indicating that Guoli Chemical's L-23 product has extremely high purity and low impurity content. The hydroxyl value of 290-305 mgKOH/g is highly consistent with the theoretical value (theoretical hydroxyl value of dodecyl alcohol is about 301 mgKOH/g), which can serve as a reliable basis for charge calculation in ethoxylation reactions. Processing Window: Melting point

Lauryl Alcohol Ethoxylate L-23

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Property	Value
CAS No.	68439-50-9
Molecular Formula	C₁₂H₂₆O (mainly) and C₁₄H₃₀O
Appearance	Colorless liquid or white solid
Ionic Type	Nonionic
Avg. Molecular Weight	Approx. 186-214 (avg. ~194)
Active Content	≥99%
pH Value(1%)	6.0-8.0
pH Value(5%)	6.0-8.0
Iodine Value	≤1
Solubility	Readily soluble in ethanol, ethyl ether and other organic solvents
Surface Tension	~29.8 mN/m (25°C)
Acid Value	≤0.5
Saponification Value	≤0.5
Hydroxyl Value	~290-305
Moisture	≤0.5
Density	0.82~0.84
Kinematic Viscosity	12-15 mm²/s (25°C)
Refractive Index	1.442-1.447 (20°C)
Flash Point	＞110°C (closed cup)
Hygroscopicity	Low
Chemical Stability	Stable at room temperature; avoid contact with strong oxidizers
Alkali Resistance	Stable
Unsaturation	Extremely low (Iodine Value ≤1)
Viscosity	12-15 mm²/s (25°C)
Melting Point	23~25°C
Low Shear Viscosity	~10 mPa·s (25°C)
Solid Content	100% (pure substance)
Free Alcohol	≥99% (active content)
Heavy Metal	≤10 mg/kg
Arsenic	≤2 mg/kg

Lauryl Alcohol Ethoxylate L-23

Product Details

Applications

Properties

Safety

Product Overview

Performance Features

Application Guidelines

Packaging and Storage

Specialty Applications

Product Properties

Safety

GHS

Handling

Storage

First Aid

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