Diammonium Decanedioate
Synonyms
Decanedioic acid, ammonium salt (1:2);
Diammonium sebacate;
Sebacic acid, diammonium salt;
Category
Anionic Surfactant
> Carboxylate
>> Dicarboxylate
>>> Alkyl Dicarboxylate
>>>> Linear Alkyl Dicarboxylate
Chemical Numbering System
CAS: 19402-63-2
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C10H24N2O4; C10H18O4.2-H3N
Molecular Weight: 236.31
Structure
Properties
Appearance (1), white crystal.
Solubility soluble in water. soluble in ethanol.
Stability stable. Under alkaline condition, ammonia is released.
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: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent lubricating, dispersing, emulsifying abilities. Suitable for weak acid formulation system.
Synthesis
Decanedioic acid reacts with ammonia water, 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.
Major Uses
1, Typical applications
Use as auxiliary preservative.
Use as hydrotrope.
Use as emulsifying agent, dispersing agent.
2, Electronics
Mainly used in capacitor manufacturing.
Manufacturers
Update: 20131102(1); 20180122(2);