N-Lauroyl-N-methyltaurine
Time: 2017-10-11 22:49:09
N-Lauroyl-N-methyltaurine
Synonyms
N-Dodecanoyl-N-methyltaurine;
Ethanesulfonic acid, 2-(methyl(1-oxododecyl)amino)-;
Category
Anionic Surfactant
>> Sulfonate
>> Amido Sulfonate
>> Acyl Taurate
>> Linear Alkyl Fatty Acyl Taurate
Chemical Numbering System
CASRN3737-57-3
EINECSN/A
Molecular Formula & Molecular Weight
Molecular Formula: C15H31N1O4S
Molecular Weight: 321.48
Structure
Properties
Appearance    (1), solid.
Solubility    slightly soluble in water.
Stability    stable. Under hot strong acid or hot strong alkali, easily hydrolyze.
Risk    Solid form: corrosion; 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 (Rev.6) label:   
Ecology    may be hazardous to environment. Water body should be given special attention.
Biodegradability    biodegradable.
Characteristics    excellent cleansing, foaming, emulsifying, dispersing, wetting, solubilizing, permeating abilities. Mild. Resistance to hard water. Easy to compatibility. Easy to thicken. Certain resistance to inorganic salt solution.
Synthesis
Sodium methyltaurate reacts with lauroyl chloride, then acidize, finally obtain.
For further information, 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.
Major Uses
1. Typical Applications
Use as cleansing agent.
Use as foaming agent.
Use as emulsifying agent, dispersing agent.
2. Household detergents
Use as cleansing agent, foaming agent.
3. Industrial cleaning agents
Use as cleansing agent, emulsifying agent.
4. Textile
Use as cleansing agent, emulsifying agent.
5. Pet
Use as cleansing agent, foaming agent.
Manufacturers