Barium 12-hydroxystearate
Synonyms
Octadecanoic acid, 12-hydroxy-, barium salt (2:1);
Barium 12-hydroxyoctadecanoate;
Category
Anionic Surfactant
> Carboxylate
>> Chain Carboxylate
>>> Hydroxyalkyl Carboxylate
>>>> Hydroxy Linear Alkyl Carboxylate
Chemical Numbering System
CAS: 21598-22-1
EINECS: 244-469-1
Molecular Formula & Molecular Weight
Molecular Formula: C36H70BaO6; C18H36O3.1/2Ba
Molecular Weight: 736.26
Structure
Properties
Appearance (1), solid.
Solubility insoluble in water.
Stability stable.
Risk Solid form: toxic; 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 be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent dispersing, emulsifying, solubilizing, lubricating, anticorrosive, antirust abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
95.0 |
|
Ba, % |
|
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
GB/T 5173 Surface active agents and detergents -- Determination of anionic-active matter by direct two-phase titration procedure
ISO 2271 Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
(2), Ba
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Solid |
|
|
Heavy metals (as Pb, except Ba), 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 emulsifying agent, dispersing agent.
Use as lubricant.
Use as corrosion inhibitor, antirust agent.
Manufacturers
Update: 20180917(1);