Disodium 4-isodecyl 2-sulfosuccinate
Synonyms
Disodium 4-isodecyl 2-sulphonatosuccinate;
Disodium isodecyl sulfosuccinate;
Butanedioic acid, 2-sulfo-, 4-isodecyl ester, sodium salt (1:2);
Category
Anionic Surfactant
> Sulfonate
>> Ester Sulfonate
>>> Sulfosuccinate(Ester) Salt
>>>> Sulfosuccinic Acid Branched Alkyl Alcohol Ester Salt
Chemical Numbering System
CASRN：55184-70-8
EINECS：N/A
Molecular Formula & Molecular Weight
Molecular Formula: C14H24Na2O7S; C14H26O7S.2Na
Molecular Weight: 382.38
Structure
R: iso-C10.
Properties
Appearance (1), solid; (2), liquid; (3), paste.
Solubility soluble in water.
Stability stable in weak acid, weak alkali, hard water. Under strong acid or strong alkali, easily hydrolyze.
Risk Solid form: flammable material; irritation, low irritation to skin, eye. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS (Rev.10) label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent wetting, permeating, emulsifying, dispersing, cleansing, foaming, solubilizing abilities. Good lime soap dispersing power. Suitable for neutral formula system.
Synthesis
(1), Esterification reaction
Maleic anhydride reacts with isodecyl alcohol, obtain isodecyl maleate.
(2), Sulfonation reaction
Isodecyl maleate reacts with sodium bisulfite, then obtain this product.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
80.0 |
|
pH (25°C, 1%) |
4.5 - 7.5 |
Test Methods
(1), Actives
(2), pH
GB/T 6368 Surface active agents - Determination of pH of aqueous solution - Potentiometric method
ISO 4316 Surface active agents -- Determination of pH of aqueous solutions -- Potentiometric method
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, Product standards
(1), Chinese standards
(1a), QB/T 4085 Disodium sulfosuccinate
4, 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 wetting agent, permeating agent.
Use as emulsifying agent, dispersing agent.
Use as hydrotrope.
2, Textile, leather
Use as wetting agent, permeating agent.
3, Household detergents
Use as wetting agent, emulsifying agent.
4, Industrial cleaning agents
Use as emulsifying agent, wetting agent, hydrotrope.
5, Personal care products
Use as cleansing agent, foam stabilizing agent, foaming agent, hydrotrope, conditioning agent.
Manufacturers