Propylene glycol mono(12-hydroxystearate)
Time: 2020-07-04 18:39:56

Propylene glycol mono(12-hydroxystearate)


Propylene glycol hydroxystearate;

Propylene glycol 12-hydroxystearate;

12-Hydroxyoctadecanoic acid, monoester with propane-1,2-diol;

Octadecanoic acid, 12-hydroxy-, monoester with 1,2-propanediol;


Non-ionic surfactant

> Ester

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>>> Dihydric Alcohol Monoprotic Acid Ester

>>>> Hydroxy Linear Alkanoic Acid Ester

Chemical Numbering System

CASRN: 38621-51-1

EINECS: 254-045-8

Molecular Formula & Molecular Weight

Molecular Formula: C21H42O4

Molecular Weight: 358.56


Schematic formula:


Appearance    (1), white solid.

Solubility    insoluble in water.

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

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.8) label:  

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

Biodegradability    biodegradable.

Characteristics    excellent lubricating, dispersing, emulsifying, solubilizing abilities.



Quality Standards & Test Methods

1, Physical and chemical indexes


Physical and chemical indexes


Actives, %, ≥


Test Methods

(1), Actives

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

2, Hazardous substances indexes


Hazardous substances indexes


Heavy metals (as Pb), mg/Kg, ≤


As, mg/Kg, ≤


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, according to local regulations and standards.

Major Uses

1, Typical applications

Use as lubricant.

Use as dispersing agent, emulsion stabilizer.

2, Personal care products

Emollient, conditioning agent, emulsifying agent in personal care products.