Dodecanedioic Acid
Time: 2012-10-03 16:45:08
Dodecanedioic Acid
Synonyms
1,10-Decanedicarboxylic acid;
1,10-Dicarboxydecane;
1,12-Dodecanedioic acid;
DDA;
DDDA;
Category
Anionic Surfactant
>> Carboxylate
>> Dicarboxylate
>> Alkyl Dicarboxylate
>> Linear Alkyl Dicarboxylate
Chemical Numbering System
CASRN693-23-2
EINECS211-746-3
Molecular Formula & Molecular Weight
Molecular Formula: C12H22O4
Molecular Weight: 230.30
Structure
 
Properties
Appearance    (1), white to pale yellow solid.
Solubility    slightly soluble in water. soluble in ethyl ether.
Physical - chemical properties
Melting point, °C
130 - 132[1]
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 (Rev.7) label:  
Ecology    may be hazardous to environment. Water body should be given special attention.
Biodegradability    biodegradable.
Characteristics    excellent lubricating, anticorrosive, dispersing, emulsifying, cleansing, solubilizing abilities.
Synthesis
(1), Cyclododecatriene is obtained by polymerization of butadiene.
(2), Cyclododecane is obtained by hydrogenation of cyclododecatriene.
(3), Cyclododecanone is obtained by nitric acid oxidation reaction of cyclododecane.
(4), Dodecanedioic acid is obtained by oxidation ring-opening reaction of cyclododecanone.
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. 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 synthesis of nylon, such as nylon 1212, nylon 612, nylon 1012 and so on.
Widely used in preparation of dodecanedioic acid esters. Dodecanedioic acid esters can be used in plasticizers, lubricants, perfume, etc.
3. Household detergents
Use as cleansing agent.
4. Personal care products
Conditioning agent in personal care products.
5. Machinery industry
Lubricant in metal processing, machinery.
Lubricant, antirust agent in lubricating oil.
6. Pets
Use as cleansing agent, emulsifying agent.
Manufacturers
 
References
[1]: HSDB. 693-23-2, Dodecanedioic acid
Update: 20131102(1); 20180127(2);