Strontium bis(2-ethylhexanoate)
Synonyms
Hexanoic acid, 2-ethyl-, strontium salt (2:1);
Strontium 2-ethylhexanoate;
2-Ethylhexanoic acid, strontium salt;
2-Ethylcaproic acid, strontium salt;
Category
Anionic Surfactant
> Carboxylate
>> Chain Carboxylate
>>> Alkyl Carboxylate
>>>> Branched Alkyl Carboxylate
Chemical Numbering System
CAS: 2457-02-5
EINECS: 219-536-3
Molecular Formula & Molecular Weight
Molecular Formula: C16H30O4Sr; C8H16O2.1/2Sr
Molecular Weight: 374.03
Structure
Properties
Appearance (1), solid; (2), liquid.
Solubility insoluble in water.
Stability stable.
Risk Solid (or liquid) 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: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, lubricating, preservative, solubilizing abilities.
Synthesis
Sodium 2-ethylhexanoate reacts with strontium chloride, then obtain.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
|
Solid |
Liquid |
|
|
Actives, %, ≥ |
95.0 |
50.0 - 80.0 |
|
Sr, %, ≥ |
|
|
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), Sr
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Solid (or Liquid) |
|
|
Heavy metals (as Pb, except Sr), 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.
2, Coatings
Drier in paint.
Manufacturers
Update: 20180416(1);