Disodium stearyl sulfosuccinamate
Synonyms
Butanoic acid, 4-(octadecylamino)-4-oxo-2-sulfo-, disodium salt;
Disodium 4-(octadecylamino)-4-oxo-2-sulphonatobutyrate;
Category
Anionic Surfactant
> Sulfonate
>> Amido Sulfonate
>>> Sulfosuccinamide Salt
>>>> Sulfosuccinyl Linear Alkylamine Salt
Chemical Numbering System
CAS: 14481-60-8
EINECS: 238-479-5
Molecular Formula & Molecular Weight
Molecular Formula: C22H41NNa2O6S; C22H43N1O6S.2Na
Molecular Weight: 493.61
Structure
Properties
Appearance (1), solid; (2), paste.
Solubility soluble in water.
Stability stable. Under hot strong acid or hot strong alkali, easily hydrolyze.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent cleansing, foaming, emulsifying, dispersing, wetting, solubilizing, permeating abilities.
Note (1), Can use in children products, such as shampoo, bath liquid and so on.
Synthesis
(1), Maleic anhydride reacts with stearyl amine, obtain maleoyl stearyl amine.
(2), Maleoyl stearyl amine reacts with sodium sulfite, then obtain this product.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
90.0 |
|
pH (25°C, 1%) |
7.0 - 8.5 |
Test Methods
(1), Actives
(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
|
Item |
Hazardous substances indexes |
|
Solid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
|
As, mg/kg, ≤ |
3 |
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents -- Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents -- Determination of total arsenic
3, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
(b), Used in cosmetics, should be test for harmful substances; or furtherly test for microorganisms.
Major Uses
1, Typical Applications
Use as emulsifying agent, dispersing agent.
Use as cleansing agent.
Use as foaming agent.
2, Household detergents
Use as cleansing agent, emulsifying agent.
3, Industrial cleaning agents
Use as dispersing agent, emulsifying agent, wetting agent.
4, Personal care products
Cleansing agent, foaming stabilizing agent, hydrotrope in personal care products.
5, Textile
Use as emulsifying agent, wetting agent.
6, Pet
Use as cleansing agent, foaming agent.
Manufacturers
Update: 20131029(1); 20171018(2);