Sodium nonanedioate
Synonyms
Azelaic acid, sodium salt;
Nonanedioic acid, sodium salt;
Category
Anionic Surfactant
> Carboxylate
>> Dicarboxylate
>>> Alkyl Dicarboxylate
>>>> Linear Alkyl Dicarboxylate
Chemical Numbering System
CASRN:27825-99-6
EINECS:N/A
Molecular Formula & Molecular Weight
Molecular Formula: C9H16O4.x-Na
Molecular Weight: N/A
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.10) label:
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, wetting, permeating, lubricating, cleansing, 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.
(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 hydrotrope.
Use as emulsifying agent, dispersing agent.
2, Personal care products
Use as viscosity controlling agent.
Manufacturers
Update: 20140209(1); 20180122(2);