Disodium Decanedioate
Synonyms
Decanedioic acid, sodium salt (1:2);
Disodium sebacate;
Sebacic acid, disodium salt;
Category
Anionic Surfactant
> Carboxylate
>> Dicarboxylate
>>> Alkyl Dicarboxylate
>>>> Linear Alkyl Dicarboxylate
Chemical Numbering System
CAS: 17265-14-4
EINECS: 241-300-3
Molecular Formula & Molecular Weight
Molecular Formula: C10H16Na2O4; C10H18O4.2Na
Molecular Weight: 246.21
Structure
Properties
Appearance (1), white solid.
Solubility soluble in water. soluble in ethanol.
Stability stable.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. 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 |
> 6000mg/kg[1] |
|
rat intraperitoneal LD50 |
5500mg/m3[1] |
|
rat intravenous LD50 |
560mg/kg[1] |
|
rabbit oral LD |
> 6000mg/kg[1] |
|
rabbit intraperitoneal LD50 |
6000mg/kg[1] |
|
rabbit intravenous LD50 |
1440mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent lubricating, dispersing, emulsifying abilities.
Synthesis
Decanedioic acid reacts with sodium hydroxide, then obtain.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
98.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
GB 2092 Sebacic acid for industrial use
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 lubricant.
Use as auxiliary preservative.
Use as hydrotrope.
Use as emulsifying agent, dispersing agent.
2, Household detergents
Use as auxiliary detergent.
3, Personal care products
Use as stabilizing agent.
Skin protecting agent in personal care products.
4, Industrial cleaning
Use as auxiliary detergent.
5, Pets
Use as stabilizing agent.
Manufacturers
References
[1]: ChemIDplus. 17265-14-4, Disodium sebacate
Update: 20131102(1); 20180122(2);