PEG-6 Methyl Ether
molecular structure · PubChem
AKA: 23601-40-3, 2, 5, 8, 11, 14, 17-Hexaoxanonadecan-19-ol, 3, 9, 12, 15, 18-Hexaoxanonadecan-1-ol, Hexaethylene glycol monomethyl ether, M-PEG6-alcohol, MPEG6-OH, 2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethanol
Synthetic
Solvent
Clean
OriginDerived from ethylene oxide and methanol, both petroleum-based synthetic chemicals. Synthesized through ethoxylation and subsequent methylation of polyethylene glycol backbone.
Poly(oxy-1,2-ethanediyl), .alpha.-methyl-.omega.-hydroxy- (6 mol EO average molar ratio)
Formula
C13H28O7
Mol. Weight
296.36
CAS #
9004-74-4
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Moisturizing
Strengthens Barrier
Dissolves other ingredients
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
2
CIR
Safe as used
Pregnancy
Yes
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
murphy