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Octyldecyl phosphate

Time: 2019-03-09 14:38:23; Count: 5

Octyldecyl phosphate


Phosphoric acid, esters with 2-octyldecanol;


Anionic Surfactant

> Phosphate

>> Chain Phosphate

>>> Alkyl Phosphate

>>>> Branched Alkyl Phosphate

Chemical Numbering System



Molecular Formula & Molecular Weight

Molecular Formula: N/A

Molecular Weight: N/A


R: octyldecyl or H.


Appearance    (1), colorless to pale yellow liquid.

Solubility    slightly soluble in water; soluble in ethanol.

Stability    stable. Under strong acid condition, easily hydrolyzed.

Risk    Liquid form: irritation, irritation to skin, eye.

GHS (Rev.10) label: 

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

Biodegradability    biodegradable.

Characteristics    excellent emulsifying, dispersing, anticorrosive, antirust, lubricating, cleansing, solubilizing, antistatic, wetting, permeating abilities. Low to moderate foaming. Resistance to high concentration of alkali. Intolerance to hard water.


Obtained that octyldecyl alcohol reacts with polyphosphoric acid (or phosphorus pentoxide).

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 emulsifying agent, dispersing agent.

Use as wetting agent, permeating agent.

Use as anticorrosive agent, antirust agent.

Use as cleansing agent.

2, Machinery

Lubricant, corrosion inhibitor, antirust agent in metalworking fluids.

3, Household detergents

Cleansing agent in household cleaning products.

4, Industrial cleaning agents

Cleansing agent, dispersing agent, antirust agent in industrial cleaning.

5, Textile

Antistatic agent, cleansing agent, wetting agent in textile.

6, Personal care products

Emulsifying agent in personal care products. Similar with natural phospholipids, good compatibility with skin.




[Terminology] Dispersion system

[Terminology] Vesicle

Pandect of Ester surfactants (1): Definition

[Terminology] Van Der Waals force

[Terminology] Micellar aggregation number


Test methods of surfactants, catalog, Chinese national standards

Surfactants, catalog, Chinese national standards