Surfactants
REACH
Polyethylene glycol cetyl ether
CAS Number
9004-95-9
EC Number
500-014-1
What is Polyethylene glycol cetyl ether?
Polyethylene glycol cetyl ether (CAS 9004-95-9), also marketed as Cetomacrogol 1000 and Cetocire, is a nonionic ethoxylated fatty alcohol.
Where is Polyethylene glycol cetyl ether used?
- Pharmaceuticals: excipient for stable oil-in-water creams, ointment bases and topical drug delivery systems
- Personal care: emulsion stabiliser in lotions, moisturizers and hair conditioning products, contributing to texture and spreadability
- Textile and leather processing: dispersing and wetting agent that improves dye uptake and surface treatment
- Paper: coating additive and processing aid to control viscosity and improve surface finish
- It functions as an emulsifier, solubilizer and rheology modifier in aqueous and semi-solid systems.
Commercial specifications
- Liquid forms at elevated temperatures
- Pharmaceutical grade to BP and Ph. Eur. specifications, including the defined monograph
Other Names (Synonyms)
cetomacrogol ointment|Cetomacrogol 1000|Cetocire|Romopal O|Collone AC|Lubrol W|Nikkol BC|Ethosperse CL20
What are the physical properties of Polyethylene glycol cetyl ether?
Melting Point 38 °C
Boiling Point 35.4-39.6 °C
Density 1.70 g/cm³ @ Temp: 25 °C
Flash Point >230 °F
Appearance off-white waxy solid
Color White
Odor Mild alcohol waxy fresh
Form Pellets
Vapor Pressure 0.26 psi ( 20 °C)
Refractive Index n 20/D 1.466(lit.)
Log P 6.67 at 20℃
How is Polyethylene glycol cetyl ether classified and handled safely? Learn More
Warning
GHS07· Irritant GHS05· Corrosive
Hazard Statements
H302 Harmful if swallowed [Warning Acute toxicity, oral]
H315 Causes skin irritation [Warning Skin corrosion/irritation]
H318 Causes serious eye damage [Danger Serious eye damage/eye irritation]
Which trade and regulatory codes apply to Polyethylene glycol cetyl ether?
HS Code 34021300
WGK (Germany) 3