10-Hydroxy-2-decenoic Acid
Synonyms
Decanoic acid,10-hydroxy-;
2-Decenoic acid, 10-hydroxy-;
10-Hydroxydecenoic acid;
Royal jelly acid;
10-HDA;
Category
Anionic Surfactant
> Carboxylate
>> Chain Carboxylate
>>> Hydroxyalkenyl Carboxylate
>>>> Hydroxy Linear Alkenyl Carboxylate
Chemical Numbering System
CAS: 765-01-5
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C10H18O3
Molecular Weight: 186.25
Structure
Properties
Appearance (1), white to pale yellow crystal.
Solubility slightly soluble in water. 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 label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent antimicrobial, antibacterial, anticancer, anti-radiation, cleansing, emulsifying, dispersing, solubilizing abilities.
Note (1), Pure natural royal jelly acid, is found only in royal jelly, and is trans configuration.
Synthesis
Obtained from 10-hydroxydecanoic acid.
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 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 antibacterial agent.
Use as emulsifying agent, dispersing agent.
2, Personal care products
Antibacterial agent, conditioning agent in personal care products.
Manufacturers
Update: 20131102(1); 20180530(2);