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.7) 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