Disodium hydroxysulfinoacetate
Synonyms
Acetic acid, 2-hydroxy-2-sulfino-, sodium salt (1:2);
Category
Anionic Surfactant
> Sulfinate
>> Alkyl Sulfinate
>>> hydroxyalkyl Sulfinate
>>>> Hydroxy Linear Alkyl Sulfinate
Chemical Numbering System
CAS: 223106-41-0
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C2H2Na2O5S; C2H4O5S.2Na
Molecular Weight: 184.08
Structure
Properties
Appearance (1), solid.
Solubility soluble in water.
Stability stable. Easily oxidized.
Risk Solid form: irritation, irritation to skin, eye, respiratory system.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent bleaching, reducing abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
95.0 |
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.
Major Uses
1, Typical Applications
Use as reducing agent.
Use as bleaching agent.
2, Personal care products
Reducing agent in personal care products.
Manufacturers
Update: 20131027(1); 20171204(2);