Dodecanoic acid, ester with 1,2-propanediol
Time: 2020-07-01 19:19:01

Dodecanoic acid, ester with 1,2-propanediol

Synonyms

Lauric acid, ester with propane-1,2-diol;

Propylene glycol laurate;

Lauric acid, propylene glycol ester;

Category

Non-ionic surfactant

> Ester

>> Fatty Alcohol Ester

>>> Dihydric Alcohol Monoprotic Acid Ester

>>> Linear Alkanoic Acid Ester

Chemical Numbering System

CASRN: 37321-62-3

EINECS: 253-462-2

Molecular Formula & Molecular Weight

Molecular Formula: N/A

Molecular Weight: N/A

Structure

R: lauroyl or H.

Properties

Appearance    (1), paste; or liquid.

Solubility    insoluble in water.

Stability    stable. Under strong acid or strong alkali condition, easily hydrolyzed.

Risk    Paste (or liquid) 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.8) label:  

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

Biodegradability    biodegradable.

Characteristics    excellent lubricating, dispersing, emulsifying, solubilizing abilities.

Synthesis

 

Quality Standards & Test Methods

1, Physical and chemical indexes

Item

Physical and chemical indexes

Paste (or liquid)

Actives, %, ≥

95.0

Test Methods

(1), Actives

GB/T 13173 Surface active agents -- Detergents -- Testing methods

2, Hazardous substances indexes

Item

Hazardous substances indexes

Paste (or liquid)

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, Product standards

(1), Chinese standards

(1a), GB 1886.236 Food safety national standard -- Food additive -- Propylene glycol esters of fatty acid

4, 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 lubricant.

Use as dispersing agent, emulsion stabilizer.

2, Personal care products

Conditioning agent, emulsifying agent in personal care products.

3, Food

Use as food additive (emulsifying agent, stabilizer).

Manufacturers