Cerium 2-ethylhexanoate
Time: 2012-10-03 16:41:17
Cerium 2-ethylhexanoate
Synonyms
Hexanoic acid, 2-ethyl-, cerium(3+) salt (3:1);
2-Ethylhexanoic acid, cerium(3+) salt;
Cerium(III) 2-ethylhexanoate;
Cerium tris(2-ethylhexanoate);
Cerium(3+) 2-ethylhexanoate;
2-Ethylcaproic acid, cerium salt;
Category
Anionic Surfactant
>> Carboxylate
>> Chain Carboxylate
>> Alkyl Carboxylate
>> Branched Alkyl Carboxylate
Chemical Numbering System
CASRN56797-01-4
EINECS260-386-3
Molecular Formula & Molecular Weight
Molecular Formula: C24H45CeO6; C8H16O2.1/3Ce
Molecular Weight: 569.73
Structure
Properties
Appearance    (1), solid; (2), pale yellow liquid.
Solubility    insoluble in water. soluble inethyl ether, benzene.
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 (Rev.7) label:  
Ecology    may be hazardous to environment. Water body should be given special attention.
Biodegradability    biodegradable.
Characteristics    excellent emulsifying, dispersing,lubricating, antibacterial, preservative, solubilizing abilities.
Synthesis
Sodium 2-ethylhexanoate reacts with cerium 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
Ce, %, ≥
 
4.0 - 12.0
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), Ce
 
2. Hazardous substances indexes
Item
Hazardous substances indexes
Solid (or Liquid)
Heavy metals (as Pb, except Ce), 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.
2. Coatings
Drier in paint.
Alternative to cerium naphthenate.
Alternative to lead isooctanate, rare earth isooctanoate in drier of paints.
Manufacturers
 
Update: 20131102(1); 20180316(2);