PEG-4 Dioleate
AKA “CMP2G8S7AM, P2NHA0HO8I, 9005-07-6, 8OD7I9D4BZ, C4M16OHW5F, TOM07RFH74, U47OPR8H97, 6JR5A7273E, O05H945W9X, 2-[(9Z)-OCTADEC-9-ENOYLOXY]ETHYL (9Z)-OCTADEC-9-ENOATE”
Surfactant
Ingredient Facts
Peg-4 dioleate
AKA: CMP2G8S7AM, P2NHA0HO8I, 9005-07-6, 8OD7I9D4BZ, C4M16OHW5F, TOM07RFH74, U47OPR8H97, 6JR5A7273E, O05H945W9X, 2-[(9Z)-OCTADEC-9-ENOYLOXY]ETHYL (9Z)-OCTADEC-9-ENOATE
Surfactant · Emulsifying · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-(1-oxo-9-octadecenyl)-.omega.-[(1-oxo-9-octadecenyl)oxy]-, (Z,Z)- (4 mol EO average molar ratio)
Formula
C38H70O4
Mol. Weight
591.00
CAS #
9005-07-6
Form
Liquid
State
Lemon to orange oily liquid or semi-gel with a mild odor; [JECFA] Liquid; mp = 15 deg C; [Sigma-Aldrich MSDS]
See origin →
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Locks In Moisture
Wound Healing
Antioxidant Protection
Mixes Oil & Water
Traditional Use
Synthetic polyethylene glycol ester developed in the mid-20th century as a surfactant and emulsifier. Created to replace natural soap and provide improved stability in cosmetic formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR