murphyPEG-3 Dioleate
molecular structure · PubChem
AKA: 9005-07-6, 2-[(9Z)-OCTADEC-9-ENOYLOXY]ETHYL (9Z)-OCTADEC-9-ENOATE
Synthetic
Cleanser
Emulsifier
Not Clean
OriginDerived from polyethylene glycol (PEG) and oleic acid, a fatty acid commonly sourced from vegetable oils. Synthesized through esterification of PEG with oleic acid under controlled chemical conditions.
Poly(oxy-1,2-ethanediyl), .alpha.-(1-oxo-9-octadecenyl)-.omega.-[(1-oxo-9-octadecenyl)oxy]-, (Z,Z)- (3 mol EO average molar ratio)
Formula
C38H70O4
Mol. Weight
591.00
CAS #
9005-07-6
State
Lemon to orange oily liquid or semi-gel with a mild odor; [JECFA] Liquid; mp = 15 deg C; [Sigma-Aldrich MSDS]
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Mixes Oil & Water
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2015
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR