Dihexyl sodium sulfosuccinate
Synonyms
Butanedioic acid, 2-sulfo-, 1,4-dihexyl ester, sodium salt (1:1);
Sodium 1,4-dihexyl sulphonatosuccinate;
Category
Anionic Surfactant
> Sulfonate
>> Ester Sulfonate
>>> Sulfosuccinate(Ester) Salt
>>>> Sulfosuccinic Acid Linear Alkyl Alcohol Ester Salt
Chemical Numbering System
CAS: 3006-15-3
EINECS: 221-109-1
Molecular Formula & Molecular Weight
Molecular Formula: C16H29NaO7S; C16H30O7S.Na
Molecular Weight: 388.45
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.
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: 
Animal Toxicity
Table 1 Animal toxicity values
|
rat oral LD50 |
1750mg/kg[1] |
|
mouse oral LD50 |
2315mg/kg[1] |
|
rabbit skin LD50 |
5mL/kg[1] |
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 hexyl alcohol, obtain dihexyl maleate.
(2), Sulfonation reaction
Dihexyl 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
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), 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 wetting agent, permeating agent.
Use as emulsifying agent, dispersing 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, foaming agent, foam stabilizing agent, hydrotrope in personal care products.
6, Emulsion polymerization
Emulsifier, particle size controlling agent in emulsion polymerization.
Manufacturers
References
[1]: ChemIDplus. 3006-15-3, Dihexyl sodium sulfosuccinate
Update: 20131028(1); 20170823(2);