1,4-Bis(2-ethylhexyl) 2-sulfosuccinate
Time: 2017-09-07 22:06:31

1,4-Bis(2-ethylhexyl) 2-sulfosuccinate


Butanedioic acid, 2-sulfo-, 1,4-bis(2-ethylhexyl) ester;

Dioctyl sulfosuccinic acid;


Anionic Surfactant

> Sulfonate

>> Ester Sulfonate

>>> Sulfosuccinate(Ester) Salt

>>>> Sulfosuccinic Acid Branched Alkyl Alcohol Ester Salt

Chemical Numbering System



Molecular Formula & Molecular Weight

Molecular Formula: C20H38O7S

Molecular Weight: 422.58



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.8) 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.



Quality Standards & Test Methods

1, Physical and chemical indexes


Physical and chemical indexes


Actives, %, ≥


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


Hazardous substances indexes


Heavy metals (as Pb), mg/Kg, ≤


As, mg/Kg, ≤


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.