Adipic acid, diammonium salt
Synonyms
Diammonium adipate;
Hexanedioic acid, ammonium salt (1:2);
Hexanedioic acid, diammonium salt;
Category
Anionic Surfactant
> Carboxylate
>> Dicarboxylate
>>> Alkyl Dicarboxylate
>>>> Linear Alkyl Dicarboxylate
Chemical Numbering System
CAS: 3385-41-9
EINECS: 222-196-9
Molecular Formula & Molecular Weight
Molecular Formula: C6H16N2O4; C6H10O4.2H3N
Molecular Weight: 180.20
Structure
Properties
Appearance (1), white solid.
Solubility soluble in water.
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: 
Animal Toxicity
Table 1 Animal toxicity values
|
rat oral LD50 |
10040mg/kg[1] |
|
mouse oral LD50 |
6000mg/kg[1] |
|
guinea pig oral LD50 |
6700mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent hydrotropic, dispersing abilities. Suitable for weak acid formulation system.
Synthesis
Adipic acid reacts with ammonia water, then obtain.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
GB 1886.53 Food safety national standard -- Food additive -- Adipic acid
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.
Major Uses
1, Typical applications
Use as hydrotrope.
Use as buffering agent.
2, Electronics
Used in preparation of capacitor. Often used in preparation of aluminum electrolytic capacitors.
3, Pets
Use as buffering agent.
Manufacturers
References
[1]: ChemIDplus. 3385-41-9, Diammonium adipate
Update: 20140203(1); 20180202(2);