Adipic acid, disodium salt
Time: 2012-10-07 16:53:05
Adipic acid, disodium salt
Synonyms
Disodium adipate;
Hexanedioic acid, disodium salt;
Hexanedioic acid, sodium salt (1:2);
Category
Anionic Surfactant
>> Carboxylate
>> Dicarboxylate
>> Alkyl Dicarboxylate
>> Linear Alkyl Dicarboxylate
Chemical Numbering System
CASRN7486-38-6
EINECS231-293-5
Molecular Formula & Molecular Weight
Molecular Formula: C6H8Na2O4; C6H10O4.2Na
Molecular Weight: 190.10
Structure
 
Properties
Appearance    (1), white solid.
Solubility    soluble in water.
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:  
Animal Toxicity
Table 1 Animal toxicity values
mouse intraperitoneal LD50
4000mg/kg[1]
Ecology    may be hazardous to environment. Water body should be given special attention.
Biodegradability    biodegradable.
Characteristics    excellent hydrotropic, dispersing abilities.
Synthesis
Adipic acid reacts with sodium hydroxide, 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. Environmental protection
Use as desulfurization additive.
3. Pets
Use as buffering agent.
Manufacturers
 
References
[1]: ChemIDplus. 7486-38-6, Sodium adipate
Update: 20140203(1); 20180202(2);