Decanedioic Acid
Time: 2012-10-03 16:14:17
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
CASRN111-20-6
EINECS203-845-5
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 (Rev.7) 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);