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PEG phosphate

Time:2013-08-15 15:22:52; Reading: 10

PEG phosphate

Synonyms

Poly(oxy-1,2-ethanediyl), alpha-hydro-omega-hydroxy-, phosphate;

Category

Anionic Surfactant

> Phosphate

>> Polyether Phosphate

>>> PEG-PPG Phosphate

Chemical Numbering System

CASRN:9056-42-2

EINECS:N/A

Molecular Formula & Molecular Weight

Molecular Formula: N/A

Molecular Weight: N/A

Structure

Schematic formula:

R: PEG group; or OH.

Properties

Appearance    (1), colorless to pale yellow liquid to solid.

Solubility    soluble in water.

Stability    stable. Under strong acid condition, easily hydrolyzed.

Risk    Liquid form: corrosion; 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 cleansing, emulsifying, dispersing, solubilizing, anticorrosive, antirust, lubricating, antistatic, wetting abilities. Performance varies with the number of EO.

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.

Synthesis

 

Quality Standards & Test Methods

1, Physical and chemical indexes

Item

Physical and chemical indexes

Liquid

Actives, %, ≥

90.0

pH (25°C, 1% solution)

1.0 - 3.0

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

Item

Hazardous substances indexes

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, 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 cleansing agent.

Use as emulsifying agent, dispersing agent.

Use as anticorrosive agent, antirust agent.

Use as solubilizing agent.

2, Personal care products

Skin protective agent in personal care products.

Product members

PEG-8 phosphate;

Manufacturers

 

Update: 20190325(1);

Document

[Terminology] Dispersion system

[Terminology] Vesicle

Pandect of Ester surfactants (1): Definition

[Terminology] Van Der Waals force

[Terminology] Micellar aggregation number

Standard

Test methods of surfactants, catalog, Chinese national standards

Surfactants, catalog, Chinese national standards

Test methods of materials, catalog, Chinese national standards

Basic standards of materials, catalog, Chinese national standards

Test methods of textile auxiliaries, catalog, Chinese national standards