Decanedioic Acid
Synonyms
Sebacic acid;
1,10-Decanedioic acid;
1,8-Octanedicarboxylic acid;
Category
Anionic Surfactant
> Carboxylate
>> Dicarboxylate
>>> Alkyl Dicarboxylate
>>>> Linear Alkyl Dicarboxylate
Chemical Numbering System
CAS: 111-20-6
EINECS: 203-845-5
Molecular Formula & Molecular Weight
Molecular Formula: C10H18O4
Molecular Weight: 202.25
Structure
Properties
Appearance (1), white solid.
Solubility soluble in water. soluble in ethanol.
Stability stable.
Risk Solid form: corrosion; 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 |
14375mg/kg[1] |
|
rat inhalation LC50 |
> 4500mg/m3[1] |
|
mouse oral LD50 |
6000mg/kg[1] |
|
mouse intraperitoneal LD50 |
500mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent lubricating, dispersing, emulsifying, cleansing, solubilizing abilities.
Synthesis
1, Alkali decompounding method
(1), The crude fatty acids are obtained by saponifying hydrolysis reaction of castor oil.
(2), In the presence of cresol, castor oleic acid reacts with alkali, then acidify and neutralize, and get rid of color and dry, finally obtain the finished product.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
98.0 |
Test Methods
(1), Actives
GB 2092 Sebacic acid for industrial use
GB/T 13173 Surface active agents -- Detergents -- Testing methods
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, Product standards
(1), Chinese standards
(1a), GB 2092 Sebacic acid for industrial use
4, 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 cleansing agent.
Use as emulsifying agent, dispersing agent.
2, Organic synthesis
Widely used in nylon synthesis, such as nylon 1010, nylon 610, nylon 810, nylon 9 and so on.
Widely used in manufacturing of sebacic acid esters. Sebacic acid esters can be used in high temperature lubricants, cold plasticizers, personal care products, perfume, etc.
3, Household detergents
Use as cleansing agent.
4, Personal care products
Use as buffering agent.
Skin protecting agent in personal care products.
5, Machinery industry
Lubricant in metal processing, machinery.
6, Pets
Use as buffering agent.
Manufacturers
References
[1]: ChemIDplus. 111-20-6, Decanedioic acid
Update: 20131102(1); 20180122(2);