Zinc bis(2-ethylhexanoate)
Time: 2012-10-03 16:34:36
Zinc bis(2-ethylhexanoate)
Synonyms
Hexanoic acid, 2-ethyl-, zinc (2+) salt;
Hexanoic acid, 2-ethyl-, zinc (2+) salt (2:1);
Zinc 2-ethylhexanoate;
2-Ethylcaproic acid, zinc salt;
Zinc ethylhexanoate;
Category
Anionic Surfactant
>> Carboxylate
>> Chain Carboxylate
>> Alkyl Carboxylate
>> Branched Alkyl Carboxylate
Chemical Numbering System
CASRN136-53-8
EINECS205-251-1
Molecular Formula & Molecular Weight
Molecular Formula: C16H30O4Zn; C8H16O2.1/2Zn
Molecular Weight: 351.82
Structure
Properties
Appearance    (1), solid; (2), water-white or pale yellow or 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, anticorrosive, lubricating, antibacterial, preservative, solubilizing abilities.
Synthesis
Sodium 2-ethylhexanoate reacts with zinc sulfate, 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
Zn, %, ≥
 
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), Zn
 
2. Hazardous substances indexes
Item
Hazardous substances indexes
Solid (or Liquid)
Heavy metals (as Pb, except Zn), 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 emulsifying agent, dispersing agent.
Use as lubricant.
2. Coatings
Drier in paint. Alternative to zinc naphthenate.
Suitable for air drying paint.
3. Polymer
Curing promoting agent in unsaturated polyester resin.
Catalytic curing agent in polyurethane reaction.
4. Lubricating oil/grease
Corrosion inhibitor, lubricant in lubricating oil, lubricating grease.
5. Forestry
Preservative in wood processing.
6. Personal care products
Use as deodorant.
Manufacturers
 
Update: 20131102(1); 20180316(2);