Sodium hydrogen azelate
Time: 2012-10-08 17:26:10
Sodium hydrogen azelate
Synonyms
Azelaic acid, sodium salt (1:1);
Nonanedioic acid, monosodium salt;
Nonanedioic acid, sodium salt (1:1);
Category
Anionic Surfactant
>> Carboxylate
>> Dicarboxylate
>> Alkyl Dicarboxylate
>> Linear Alkyl Dicarboxylate
Chemical Numbering System
CASRN17356-30-8
EINECS241-386-2
Molecular Formula & Molecular Weight
Molecular Formula: C9H15NaO4; C9H16O4.Na
Molecular Weight: 210.20
Structure
 
Properties
Appearance    (1), white to pale yellow powder.
Solubility    soluble in water.
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:   
Ecology    may be hazardous to environment. Water body should be given special attention.
Biodegradability    biodegradable.
Characteristics    excellent emulsifying, dispersing, wetting, permeating, lubricating, cleansing, foaming, solubilizing abilities.
Synthesis
Azelaic 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
HG/T 4481 Azelaic acid for industrial use
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 lubricant.
Use as cleansing agent.
Use as hydrotrope.
Use as emulsifying agent, dispersing agent.
Manufacturers
 
Update: 20140209(1); 20180122(2);