Disodium 2-sulfolaurate
Synonyms
Dodecanoic acid, 2-sulfo-, disodium salt;
Dodecanoic acid, 2-sulfo-, sodium salt (1:2);
Category
Anionic Surfactant
> Sulfonate
>> Chain Sulfonate
>>> Carboxyl Alkyl Sulfonate
>>>> Carboxyl Linear Alkyl Sulfonate
Chemical Numbering System
CAS: 38841-48-4
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C12H22Na2O5S; C12H24O5S.Na2
Molecular Weight: 324.34
Structure
Properties
Appearance (1), solid; (2), liquid.
Solubility soluble in water.
Stability stable.
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 emulsifying, wetting, permeating, dispersing, solubilizing abilities.
Synthesis
Lauric acid reacts with chlorosulfonic acid, then refine and obtain.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
90.0 |
Test Methods
(1), Actives
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
|
Solid |
Liquid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
20 |
|
As, mg/kg, ≤ |
3 |
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 wetting agent.
Use as emulsifying agent, dispersing agent.
2, Personal care products
Cleansing agent in personal care products.
3, Household detergents
Use as emulsifying agent, foaming agent.
4, Pets
Main ingredient or auxiliary ingredient for cleansing agent in shampoos and other pet products.
Manufacturers
Update: 20131027(1); 20170807(2);