Disodium dihydroxyethyl sulfosuccinylundecylenate
Synonyms
9-Tetradecenoic acid, 13,14-bis(2-hydroxyethoxycarbonyl)-13-sulfo-, disodium salt;
Category
Anionic Surfactant
> Sulfonate
>> Ester Sulfonate
>>> Sulfosuccinate(Ester) Salt
>>>> Alkenylsuccinic Acid Linear Alkyl Alcohol Ester Sulfonate Salt
Chemical Numbering System
CAS: 109840-16-6
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C19H30Na2O11S; C19H32O11S.2Na
Molecular Weight: 512.48
Structure
Properties
Appearance (1), solid; (2), liquid.
Solubility soluble in water.
Stability stable in weak acid, weak alkali, hard water. Under strong acid or strong alkali, easily hydrolyze. Easily oxidized.
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 label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent antimicrobial, antibacterial, preservative, emulsifying, dispersing, wetting, solubilizing, permeating abilities. Suitable for neutral formula system.
Synthesis
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, 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 antimicrobial agent, preservative.
Use as wetting agent, permeating agent.
Use as emulsifying agent, dispersing agent.
Use as hydrotrope.
2, Personal care products
Antimicrobial agent, deodorant, cleansing agent in personal care products.
Manufacturers
Update: 20131028(1); 20170917(2);