Sodium nonoxynol phosphate
Time: 2013-06-04 01:43:58

Sodium nonoxynol phosphate


Polyethylene glycol nonyl phenyl ether phosphate, sodium salt;

PEG Nonyl phenyl ether phosphate, sodium salt;

Poly(oxy-1,2-ethanediyl), alpha-(nonylphenyl)-omega-hydroxy-, phosphate, sodium salts;


Anionic Surfactant

> Phosphate

>> Polyether Phosphate

>>> Phenolic-group Phosphate

>>>> Polyoxyethylene Linear Alkylphenol Ether Phosphate

Chemical Numbering System



Molecular Formula & Molecular Weight

Molecular Formula: N/A

Molecular Weight: N/A


R: nonoxynol group or OH or O-.


Appearance    (1), liquid; or solid.

Solubility    soluble in water.

Stability    stable. Under strong acid condition, easily hydrolyzed.

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

GHS (Rev.8) label: 

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

Biodegradability    biodegradable.

Characteristics    excellent cleansing, emulsifying, dispersing, solubilizing, anticorrosive, antirust, lubricating, antistatic, wetting abilities. Performance varies with the number of EO. Resistance to high concentration of alkali. Intolerance to hard water. Resistance to high temperature. Resistance to high concentrations of electrolyte.

Note    (1), The by-product 1,4-dioxane is a possible carcinogen. Generally, can be acceptable when concentration of 1,4-dioxane is less than 30ppm or less.



Quality Standards & Test Methods

1, Physical and chemical indexes


Physical and chemical indexes


Actives, %, ≥


pH (25°C, 1% solution)

6.0 - 8.0

Test Methods

(1), Actives

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

(2), pH

GB/T 6368 Surface active agents - Determination of pH of aqueous solution - Potentiometric method

ISO 4316 Surface active agents -- Determination of pH of aqueous solutions -- Potentiometric method

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.

Major Uses

1, Typical applications

Use as cleansing agent.

Use as emulsifying agent, dispersing agent.

Use as anticorrosive agent, antirust agent.

Use as solubilizing agent.

2, Industrial cleaning agents

Cleansing agent, antirust agent in industrial cleaning.

3, Machinery

Lubricant, antirust agent, cleansing agent in metalworking fluids.

Product members

Sodium nonoxynol-6 phosphate (CASRN: 12068-19-8; EINECS: 235-093-9)

Sodium nonoxynol-9 phosphate;



Update: 20140402(1); 20190325(2);