Sodium 1,4-didecyl sulphonatosuccinate
Synonyms
Butanedioic acid, 2-sulfo-, 1,4-didecyl ester, sodium salt (1:1);
Butanedioic acid, sulfo-, 1,4-didecyl ester, sodium salt;
Dicapryl sodium sulfosuccinate;
Category
Anionic Surfactant
> Sulfonate
>> Ester Sulfonate
>>> Sulfosuccinate(Ester) Salt
>>>> Sulfosuccinic Acid Linear Alkyl Alcohol Ester Salt
Chemical Numbering System
CASRN：23524-64-3
EINECS：245-714-5
Molecular Formula & Molecular Weight
Molecular Formula: C24H45NaO7S; C24H46O7S.Na
Molecular Weight: 500.66
Structure
Properties
Appearance (1), solid; (2), liquid.
Solubility slightly soluble in water; soluble in ethanol.
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 emulsifying, dispersing, wetting, cleansing, foaming, solubilizing, permeating abilities. Good lime soap dispersing power. Suitable for neutral formula system.
Synthesis
(1), Esterification reaction
Maleic anhydride reacts with decyl alcohol, obtain didecyl maleate.
(2), Sulfonation reaction
Didecyl 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 |
Test Methods
(1), Actives
GB/T 5173 Surface active agents and detergents－Determination of anionic-active matter by direct two-phase titration procedure
ISO 2271 Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
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.
(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 cleansing agent.
2, Textile, leather
Use as wetting agent, permeating agent.
3, Household detergents
Use as cleansing agent, emulsifying agent.
4, Industrial cleaning agents
Use as cleansing agent, emulsifying agent.
5, Personal care products
Cleansing agent, emulsion stabilizer in personal care products.
Manufacturers
Update: 20131028(1); 20170823(2);