Chemical Name: Stearyl Trimethyl Ammonium Chloride
English Name: Stearyl trimethyl ammonium chloride
Molecular Formula: C₂₁H₄₆ClN
Molecular Weight: 348.05
CAS Number: 112 - 03 - 8
Alias: 1831, Emulsifier 1831, Asphalt Emulsifier NOT
Physical and Chemical Properties
Appearance: Usually white paste or colorless liquid.
Solubility: Easily soluble in hot water and ethanol, and produces a large amount of foam when shaken.
Relative Density: 0.884
HLB Value: 15.7
Flash Point (Open - Cup): 180℃
Surface Tension (0.1% Solution): 34×10⁻³N/m
pH Value: The pH value of a 1% aqueous solution is usually between 6.0 and 8.0.
Chemical Stability: Good, resistant to heat, light, pressure, strong acids and alkalis, but it can be decomposed after long - term heating above 100℃.
Product Specifications
Content: 30%
Free Amine Content: ≤1.0%
Packaging Specification: Commonly 200 kg/drum.
Product Performance
It has excellent properties of penetration, softening, antistatic and sterilization, as well as certain emulsifying ability. It can be well - compatible with cationic and non - ionic surfactants or dyes, and should not be used in combination with anionic surfactants, dyes or additives.
Application Fields
Hair Care Products: It is a main component of hair conditioners, which can condition and soften hair.
Emulsifier: Used as an excellent emulsifier for synthetic rubber, silicone oil, asphalt and chloroprene latex asphalt waterproof coatings.
Antistatic Agent: Can be used as an antistatic agent for synthetic fibers and a softener for glass fibers.
Others: Also used in leather fatliquoring agents, release agents and defoamers for latex products, as well as protein flocculation in the biopharmaceutical industry and water treatment flocculation.