Zinc Dodecanoate
Time: 2012-10-03 16:11:23
Zinc Dodecanoate
Synonyms
Dodecanoic acid, zinc salt;
Zinc laurate;
Zinc dilaurate;
Lauric acid, zinc salt;
Category
Anionic Surfactant
>> Carboxylate
>> Chain Carboxylate
>> Alkyl Carboxylate
>> Linear Alkyl Carboxylate
Chemical Numbering System
CASRN2452-01-9
EINECS219-518-5
Molecular Formula & Molecular Weight
Molecular Formula: C24H46O4Zn; C24H48O4.Zn
Molecular Weight: 464.03
Structure
 
Properties
Appearance    (1), white powder.
Solubility    insoluble in water. soluble in toluene.
Stability    stable.
Risk    Solid 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 lubricating, emulsifying, dispersing abilities.
Synthesis
Sodium laurate reacts with zinc sulfate solution, then obtain.
Quality Standards & Test Methods
1. Physical and chemical indexes
Item
Physical and chemical indexes
Solid
Actives, %, ≥
95.0
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. 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 emulsifying agent, dispersing agent.
Use as lubricant.
2. Household detergents
Use as lubricant, emulsifying agent.
3. Personal care products
Anticaking agent, opacifier, viscosity controlling agent in personal care products.
4. Machinery industry
Lubricant in metal processing, powder molding.
5. Pets
Use as anticaking agent, emulsion stabilizer.
6. Polymer
Lubricants, heat stabilizer in rubber, plastics processing.
The performance is lower than zinc stearate.
When the dosage is too large, occur “zinc burning” phenomenon.
Manufacturers
 
Update: 20131102(1); 20180106(2);