Zinc 10-Undecylenate
Time: 2012-10-04 16:18:15
Zinc 10-Undecylenate
Synonyms
10-Undecenoic acid, zinc (2+) salt;
10-Undecenoic acid, zinc salt;
10-Undecenoic acid, zinc salt (2:1);
Zinc diundec-10-enoate;
Zinc undecylenate;
Category
Anionic Surfactant
>> Carboxylate
>> Chain Carboxylate
>> Alkenyl Carboxylate
>> Linear Alkenyl Carboxylate
Chemical Numbering System
CASRN557-08-4
EINECS209-155-0
Molecular Formula & Molecular Weight
Molecular Formula: C22H38O4Zn; C11H20O2.1/2Zn
Molecular Weight: 431.94
Structure
 
Properties
Appearance    (1), white amorphous powder.
Solubility    insoluble in water, ethanol. soluble in ethyl ether.
Stability    stable. Easily oxidized.
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 antimicrobial, antibacterial, preservative, lubricating, anticorrosive, antirust, dispersing, emulsifying, solubilizing abilities. Nonresistant to hard water.
Synthesis
Sodium undecylenate reacts with zinc sulfate, then obtain.
Quality Standards & Test Methods
1. Physical and chemical indexes
Item
Physical and chemical indexes
Solid
Actives, %, ≥
98.0
Test Methods
(1), Actives
GB/T 13173 Surface active agents - Detergents - Testing methods
GB/T 5173 Surface active agents and detergentsDetermination 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. Product standards
(1), Chinese standards
(1a), Chinese Pharmacopoeia (2015 Edition) Zinc undecylenate
4. 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 antimicrobial agent, preservative.
Use as lubricant.
Use as emulsifying agent, dispersing agent.
2. Personal care products
Preservative, anticaking agent, opacifier in personal care products.
3. Pets
Use as preservative, anticaking agent, opacifier.
4. Medicine
Use as antimicrobial agent, preservative. Can be used for treatment of skin diseases, for example, skin tinea. (This section is for reference only and should be executed according to local pharmacopoeia.)
Manufacturers
 
Update: 20131102(1); 20180330(2);