1,4-Bis(2-ethylhexyl) 2-sulfosuccinate
Synonyms
Butanedioic acid, 2-sulfo-, 1,4-bis(2-ethylhexyl) ester;
Dioctyl sulfosuccinic acid;
Category
Anionic Surfactant
> Sulfonate
>> Ester Sulfonate
>>> Sulfosuccinate(Ester) Salt
>>>> Sulfosuccinic Acid Branched Alkyl Alcohol Ester Salt
Chemical Numbering System
CASRN：10041-19-7
EINECS：233-124-0
Molecular Formula & Molecular Weight
Molecular Formula: C20H38O7S
Molecular Weight: 422.58
Structure
Properties
Appearance (1), liquid.
Solubility slightly soluble in water.
Stability stable in weak acid, weak alkali, hard water. Under strong acid or strong alkali, easily hydrolyze.
Risk Liquid form: 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.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
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid |
|
|
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 |
|
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 wetting agent, permeating agent.
Use as emulsifying agent, dispersing agent.
2, Textile, leather
Use as wetting agent, permeating agent, emulsifying agent, cleansing agent.
3, Household detergents
Use as cleansing agent, emulsifying agent.
4, Industrial cleaning agents
Use as cleansing agent, emulsifying agent, wetting agent.
5, Emulsion polymerization
Emulsifier, particle size controlling agent in emulsion polymerization.
6, Metal working fluid
Use as settling agent.
For example: used in cutting oil of emulsion type, metal shavings can be rapidly settling.
Manufacturers