Lauroyl lysine
Synonyms
N6-Lauroyl-L-lysine;
L-Lysine, N6-(1-oxododecyl)-;
N6-(1-Oxododecyl)-L-lysine;
Category
Zwitterionic Surfactant
> Amino Acid Type
>> Acyl Amino Acid Salt
>> Alkylacyl Amino Acid Salt
>> Linear Alkyl Acyl Amino Acid Salt
Chemical Numbering System
CAS: 52315-75-0
EINECS: 257-843-4
Molecular Formula & Molecular Weight
Molecular Formula: C18H36N2O3
Molecular Weight: 328.49
Structure
Properties
Appearance (1), solid.
Solubility slightly soluble in water.
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 label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, solubilizing, lubricating, antirust, anticorrosive, antistatic, cleansing abilities. Good compatibility. Mild surfactant.
Note (1), Can be used in children cleaning products.
Synthesis
Obtained that lauroyl chloride reacts with lysine.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
90.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
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, according to local regulations and standards.
Major Uses
1, Typical applications
Use as emulsifying agent, dispersing agent.
2, Personal care products
Conditioning agent, viscosity controlling agent in personal care products.
Good compatibility with skin, hair. Suitable for sensitive skin. Good water-proof, smooth effects.
Manufacturers
Update: 20131124(1); 20190414(2);