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.7) 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