Isethionic acid
Time: 2017-08-04 22:10:40
Isethionic acid
Synonyms
2-Hydroxyethanesulphonic acid;
Ethanesulfonic acid, 2-hydroxy-;
Category
Anionic Surfactant
>> Sulfonate
>> Chain Sulfonate
>> Hydroxyl Alkyl Sulfonate
>> Hydroxyl Linear Alkyl Sulfonate
Chemical Numbering System
CASRN107-36-8
EINECS203-484-3
Molecular Formula & Molecular Weight
Molecular Formula: C2H6O4S
Molecular Weight: 126.13
Structure
Properties
Appearance    (1), solid; (2), liquid.
Solubility    soluble in water.
Stability    stable.
Risk    Liquid form: corrosion, flammable material; irritation, irritation to skin, eye. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS (Rev.6) label:   
Animal Toxicity
Table 1 Animal toxicity values
mouse intraperitoneal LD50
50mg/kg[1]
Ecology    may be hazardous to environment. Water body should be given special attention.
Biodegradability    biodegradable.
Characteristics    excellent cleansing, wetting abilities.
Synthesis
Epoxyethane reacts with sodium bisulfite, then acidize, obtain.
Or:
Mercaptoethanol reacts with hydrogen peroxide, then obtain.
Quality Standards & Test Methods
1. Physical and chemical indexes
Item
Physical and chemical indexes
Liquid
Actives, %, ≥
80.0
Test Methods
(1), Actives
 
2. Hazardous substances indexes
Item
Hazardous substances indexes
Liquid
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.
Major Uses
1. Typical Applications
Use as intermediates in organic synthesis.
Use as cleansing agent.
Manufacturers
 
References
[1]: ChemIDplus. 107-36-8, Isethionic acid