Trilithium sulfosuccinate
Synonyms
Butanedioic acid, 2-sulfo-, lithium salt (1:3);
Butanedioic acid, sulfo-, trilithium salt;
Trilithium sulphonatosuccinate;
Category
Anionic Surfactant
> Sulfonate
>> Chain Sulfonate
>>> Carboxyl Alkyl Sulfonate
>>>> Carboxyl Linear Alkyl Sulfonate
Chemical Numbering System
CAS: 94138-92-8
EINECS: 303-008-5
Molecular Formula & Molecular Weight
Molecular Formula: C4H3Li3O7S; C4H6O7S.3Li
Molecular Weight: 215.95
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 chelating, emulsifying, wetting, dispersing abilities.
Synthesis
Maleic acid reacts with lithium bisulfite, 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 |
|
|
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 chelating agent.
Use as dispersing agent.
Manufacturers
Update: 20170807(1);