(E)-Docos-13-enoic acid
Time: 2013-11-06 20:26:48

(E)-Docos-13-enoic acid

Synonyms

13-Docosenoic acid, (E)-;

(E)-13-Docosenoic acid;

Brassidic acid;

Category

Anionic Surfactant

>> Carboxylate

>> Chain Carboxylate

>> Alkenyl Carboxylate

>> Linear Alkenyl Carboxylate

Chemical Numbering System

CASRN506-33-2

EINECS208-035-5

Molecular Formula & Molecular Weight

Molecular Formula: C22H42O2

Molecular Weight: 338.57

Structure

 

Properties

Appearance    (1), solid.

Solubility    insoluble in water.

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 (Rev.7) label:  

Ecology    may be hazardous to environment. Water body should be given special attention.

Biodegradability    biodegradable.

Characteristics    excellent dispersing, emulsifying, lubricating, solubilizing, cleansing abilities.

Synthesis

 

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

GB/T 5173 Surface active agents and detergentsDetermination 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 emulsifying agent, dispersing agent.

Use as lubricant.

Manufacturers

 

Update: 20180520(1);