Question

What safety precautions should be taken when using MOA-23 (AEO-23)?

Answer
2026-06-06 官方文档 MOA-23(AEO-23)

MOA-23 (AEO-23) is a low-toxicity nonionic surfactant, with main safety risks being skin irritation and eye irritation. Emphasis should be placed on contact protection and eye protection.

Detailed Description

The GHS hazard classification for MOA-23 (AEO-23, C12-14 fatty alcohol polyoxyethylene (23) ether) is Skin corrosion\/irritation Category 2 and Serious eye damage\/eye irritation Category 2A, with the signal word "Warning" and GHS07 (exclamation mark) pictogram. This means the product is not highly toxic or hazardous under normal use conditions, but it has definite irritating effects on skin and eyes, so caution must not be taken lightly during operation.

The product has low acute toxicity, with an oral LD50 in rats greater than 2000 mg\/kg and acute fish toxicity LC50 greater than 10-100 mg\/L, classified as low toxicity, with a water hazard class of WGK 1 (slightly hazardous to water). The flash point is above 200°C (open cup method), making it non-flammable at room temperature, but it may burn at high temperatures. Nevertheless, standard operating procedures must be followed to avoid personal injury or environmental pollution due to negligence.

Overall, the core safety principles for using MOA-23 can be summarized as: prevent contact, prevent eye entry, ensure ventilation, store properly, and dispose of compliantly. In industrial formulations and personal care product development, as long as the following safety guidelines are strictly followed, this product can be used safely and efficiently.

Technical Parameters (Safety-Related)

ItemParameter
GHS ClassificationSkin corrosion\/irritation Category 2; Serious eye damage\/eye irritation Category 2A
Signal WordWarning
PictogramGHS07 (Exclamation Mark)
Hazard StatementsH315: Causes skin irritation; H319: Causes serious eye irritation
Acute Toxicity (Oral, Rat)LD50 > 2000 mg\/kg
Acute Fish ToxicityLC50 > 10-100 mg\/L (low toxicity)
Water Hazard ClassWGK 1 (Slightly Hazardous to Water)
Flash Point>200°C (Open Cup Method)
Recommended Storage Temperature5°C to 40°C

Application Recommendations

Personal Protective Equipment (PPE) Requirements: Chemically resistant gloves (e.g., nitrile rubber gloves), safety goggles or face shield must be worn during operation. After work, thoroughly wash hands and exposed skin according to precautionary statement P264. Use only in well-ventilated areas; if vapors or mists are generated, activate local exhaust ventilation. Eating, drinking, or smoking is prohibited in the workplace.

Storage Management: Keep container tightly sealed, store in a cool, dry, well-ventilated place away from heat sources, sparks, and open flames. Recommended storage temperature is 5°C to 40°C, avoid freezing or excessively high temperatures. During hot seasons, the product may soften, which is a normal physical change and does not affect quality. Use corrosion-resistant containers made of stainless steel or high-density polyethylene (HDPE) for storage, and keep away from incompatible materials such as strong oxidizers and strong acids, and separate from food, beverages, and animal feed.

Precautions

  • Eye Contact First Aid: In case of eye contact, immediately rinse with plenty of water for at least 15 minutes, lifting eyelids frequently. If wearing contact lenses, remove them and continue rinsing. If irritation persists, seek medical attention. (Follow P305+P351+P338)
  • Skin Contact First Aid: Immediately remove contaminated clothing and wash skin with plenty of soap and water. If irritation persists, seek medical advice.
  • Inhalation Treatment: Move the patient to fresh air and keep breathing comfortable. If feeling unwell, seek medical attention.
  • Ingestion Treatment: Rinse mouth, do NOT induce vomiting. Immediately drink 1-2 cups of water to dilute. If symptoms occur, seek medical attention immediately.
  • Spill Treatment: Small spills: absorb with inert absorbent material (e.g., sand, diatomaceous earth) and collect into a closed container; large spills: dike to contain, prevent entry into drains or waterways, transfer using explosion-proof pumps to dedicated containers.
  • Firefighting Precautions: Extinguishing media can include water spray, alcohol-resistant foam, dry powder, or carbon dioxide. In case of fire, hazardous gases such as carbon monoxide and carbon dioxide may be released. Firefighters must wear self-contained breathing apparatus and full protective clothing.
  • Ecological Protection: Avoid direct discharge into water bodies, drainage systems, or ground. Dispose of waste in accordance with local\/national regulations.
  • Read Before Use: Be sure to read and understand all safety precautions before use, and establish standard operating procedures.