Calcium lauroyl taurate
Synonyms
Ethanesulfonic Acid, 2-((1-Oxododecyl)Amino)-, Calcium Salt (2:1);
Calcium N-lauroyl taurate;
Calcium lauroyl taurate;
Category
Anionic Surfactant
> Sulfonate
>> Amido Sulfonate
>>> Acyl Taurate
>>>> Linear Alkyl Fatty Acyl Taurate
Chemical Numbering System
CAS: 138705-25-6
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C30H60CaN2O8S2; C30H62N2O8S2.Ca
Molecular Weight: 681.01
Structure
Properties
Appearance (1), white to pale yellow powder.
Solubility slightly soluble in water.
Stability stable. Under hot strong acid or hot strong alkali, easily hydrolyze.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory. 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, lubricating, corrosion-inhibiting, solubilizing abilities. Mild.
Note (1), Can use in children products.
Synthesis
Refer to:
United States Patent 4,352,759 Recovery of high purity N-acyl taurine in high yield;
United States Patent 4,233,229 Preparation of salt-free N-acyl taurines;
United States Patent 4,071,543 Process for the preparation of acyltaurides; etc.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
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, Personal care products
Emulsifying agent in personal care products.
Manufacturers
Update: 20131029(1); 20170930(2);