Sodium isethionate
Synonyms
Ethanesulfonic acid, 2-hydroxy-, sodium salt (1:1);
Sodium 2-hydroxyethanesulphonate;
Category
Anionic Surfactant
> Sulfonate
>> Chain Sulfonate
>>> Hydroxyl Alkyl Sulfonate
>>>> Hydroxyl Linear Alkyl Sulfonate
Chemical Numbering System
CAS: 1562-00-1
EINECS: 216-343-6
Molecular Formula & Molecular Weight
Molecular Formula: C2H5NaO4S; C2H6O4S.Na
Molecular Weight: 148.11
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 dispersing, wetting abilities.
Synthesis
Epoxyethane reacts with sodium bisulfite, then 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 |
|
|
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 intermediates in organic synthesis.
2, Personal care products
Conditioning agent, cleansing agent, antistatic agent in personal care products.
Manufacturers
Update: 20131027(1); 20170730(2);