Question

What are the physical and chemical technical parameters of Detergent AR-812?

Answer
2026-06-06 官方文档 净洗剂AR-812

Comprehensive Analysis of Physical and Chemical Technical Parameters of Detergent AR-812

Detailed Description

Detergent AR-812 is a nonionic surfactant (commonly known in the industry as Triton X-100) with octylphenol polyoxyethylene ether as the main component, with CAS number 9036-19-5. Its molecular structure contains approximately 9.5 ethylene oxide (EO) polymer units, with an average molecular weight of about 625. The product appears as a colorless to light yellow transparent viscous liquid. Due to its excellent permeability, emulsification, and dispersing ability, it is widely used in textile printing and dyeing, industrial cleaning, and papermaking.

As a nonionic surfactant, Detergent AR-812 has an HLB value of about 13, good hydrophilicity, and is easily soluble in water. Its cloud point (1% aqueous solution) is between 65~70°C, which is an important characteristic parameter of nonionic surfactants. The product has excellent chemical stability, remains stable under acidic, alkaline, and hard water conditions, is APEO-free, complies with international environmental regulations, and is easily biodegradable (degradation rate ≥ 90%).

Technical Parameters

I. Basic Physical Property Parameters

Parameter ItemSpecification ValueRemarks
Chemical NameOctylphenol Polyoxyethylene EtherData source: Guoli Chemical Database
CAS Number9036-19-5
Molecular FormulaC14H22O(C2H4O)nH, n≈9.5EO Polymerization Degree approx. 9.5
Average Molecular Weight625
Ion TypeNonionic
AppearanceColorless to Light Yellow Transparent LiquidVisual at 20°C
Active Ingredient Content≥ 97%
Water Content≤ 0.5%

II. Physical Performance Parameters

Parameter ItemSpecification ValueTest Conditions
Density1.06~1.07 g/cm³20°C
Kinematic Viscosity200~300 mm²/s20°C
Low Shear Viscosity200~300 mPa·s25°C
Refractive Index1.487~1.49320°C
Pour Point (Melting Point)< -10°CPour Point Method
Flash Point (Closed Cup)> 200°CClosed Cup Method
HygroscopicitySlightly Hygroscopic
SolubilityEasily Soluble in Water

III. Surface Activity Parameters

Parameter ItemSpecification ValueTest Conditions
HLB Value13
Cloud Point65~70°C1% Aqueous Solution
Surface Tension27~29 mN/m1% Aqueous Solution, 25°C
Critical Micelle Concentration (CMC)0.1~0.2 g/L25°C
Penetration Power≤ 10 sStandard Canvas Sheet Method
Foam CharacteristicsMedium Foam, Moderate Foam Stability
Alkali ResistanceAlkali Resistant, Stable in Dilute Alkali

IV. Chemical Index Parameters

Parameter ItemSpecification ValueTest Conditions
pH Value5.0~7.01% Aqueous Solution / 5% Aqueous Solution
Hydroxyl Value85~100 mgKOH/g
Acid Value≤ 0.5 mgKOH/g
Saponification Value≤ 1.0 mgKOH/g
Iodine Value≤ 0.1 gI₂/100g
Unsaturation≤ 0.1
Free Alcohol≤ 3%
Chemical StabilityStable at Room Temperature, Avoid Strong Oxidants

V. Safety and Environmental Parameters

Parameter ItemSpecification ValueRemarks
Hazard ClassificationNon-Dangerous Chemical
Acute Toxicity (Rat Oral LD₅₀)> 5000 mg/kgLow Toxicity
Skin IrritationNon-Irritating (Irritation Index < 0.5)
Eye IrritationNon-Irritating (Score Index 0)
Biodegradability≥ 90