murphyCeteth-45
molecular structure · PubChem
AKA: 9004-95-9, Cetocire, CETOMACROGOL, Romopal O, Collone AC, Lubrol W, Nikkol BC, Ethosperse CL20, Lipocol C2, Ceteth 2
Synthetic
Cleanser
Not Clean
OriginDerived from cetyl alcohol and ethylene oxide, both petroleum-derived or plant-derived feedstocks. Synthesized through ethoxylation, where ethylene oxide chains are attached to cetyl alcohol backbone.
Poly(oxy-1,2-ethanediyl), .alpha.-hexadecyl-.omega.-hydroxy- (45 mol EO average molar ratio)
Formula
C56H114O21
Mol. Weight
1123.50
CAS #
9004-95-9
Form
Liquid
State
White solid; mp = 32-34 deg C; [Sigma-Aldrich MSDS]
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Removes Impurities
Cleansing Surfactant
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2012
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR