Dodecanoyl Monoethanolamide Sulfate Sodium Salt
Time:2012-09-27 17:16:30,Count:0
(1), Lauric acid monoethanolamide is obtained by amidation of lauric acid (or lauroyl chloride) and monoethanolamine;
(2), Dodecanoyl monoethanolamide sulfate is obtained by sulfation of lauric acid monoethanolamide and sulfur trioxide;
(3), Purify and obtain a white powdery solid, by neutrallzation of alkaline substances (such as: sodium hydroxide).
Quality Standards & Test Methods
1. Physical and chemical indexes
Physical and chemical indexes
Actives, %, ≥
85.0 - 95.0
pH (25°C, 10% solution)
6.5 - 9.5
Test Methods
(1), Actives
GB/T 5173 Surface active agents and detergents-Determination of anionic-active matter by direct two-phase titration procedure
ISO 2271 Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
(2), pH
GB/T 6368 Surface active agents - Determination of pH of aqueous solution - Potentiometric method
ISO 4316 Surface active agents -- Determination of pH of aqueous solutions -- Potentiometric method
2. Hazardous substances indexes
Hazardous substances indexes
Heavy metals (as Pb), mg/Kg, ≤
As, mg/Kg, ≤
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)