Ceteareth Phosphate
Synonyms
Poly(oxy-1,2-ethanediyl), alpha-hydro-omega-hydroxy-, mono-C16-18-alkyl ethers, phosphates;
C16-18 alcohols, ethoxylated, phosphates;
Poly(oxy-1,2-ethanediyl), alpha-C16-18 alkyl-omega-hydroxy-, phosphate;
Polyethylene glycol C16-18 alkyl ether phosphate;
Polyoxyethylene C16-18 alkyl ether phosphate;
Category
Anionic Surfactant
> Phosphate
>> Polyether Phosphate
>>> Alkyl Polyether Phosphate
>>>> Linear Alkyl Polyoxyethylene Ether Phosphate
Chemical Numbering System
CASRN:106233-09-4
EINECS:500-295-0
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
R: C16-18; R1: ceteareth group or OH.
Properties
Appearance (1), paste to solid.
Solubility slightly soluble to soluble in water.
Stability stable. Under strong acid condition, easily hydrolyzed.
Risk Solid form: corrosion; irritation, irritation to skin, eye, respiratory system.
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. Resistance to high concentration of alkali. Intolerance to hard water. Resistance to high temperature.
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 |
Solid |
|
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 |
Solid |
|
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), QB/T 2949 Phosphoric acid ester
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 cleansing agent.
Use as emulsifying agent, dispersing agent.
Use as anticorrosive agent, antirust agent.
Use as solubilizing agent.
Use as lubricant.
2, Industrial cleaning agents
Cleansing agent, antirust agent in industrial cleaning.
3, Machinery
Lubricant, antirust agent, cleansing agent in metalworking fluids.
4, Household detergents
Use as cleansing agent.
5, Textile
Wetting agent, cleansing agent in textile.
6, Personal care products
Cleansing agent, emulsifying agent in personal care products. Good conditioning effect to hair.
Product members
Ceteareth-2 Phosphate;
Ceteareth-4 Phosphate;
Ceteareth-5 Phosphate;
Ceteareth-10 Phosphate;
Manufacturers
Update: 20140402(1); 20190325(2);