murphyPEG-2 Stearate
molecular structure · PubChem
AKA: 106-11-6, Diethylene glycol monostearate, Cerasynt, Octadecanoic acid, 2-(2-hydroxyethoxy)ethyl ester, Aqua Cera, Glyco stearin, Cerasynt special, Diglycol monostearate, Clindrol SDG
Plant-Derived
Cleanser
Emulsifier
Clean
OriginDerived from stearic acid (a saturated fatty acid commonly sourced from animal fats or vegetable oils) and polyethylene glycol. Synthesized through esterification of stearic acid with polyethylene glycol, creating an emulsifying compound.
2-(2-Hydroxyethoxy)ethyl octadecanoate
Formula
C22H44O4
Mol. Weight
372.60
CAS #
106-11-6
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Opacifying
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Adds Opacity
Emulsifier
Mixes oil and water
Creates creamy opacity
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed4 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
2 studies / 2 not sensitizing (CIR 211)
Not Phototoxic
Human test found no phototoxicity in the CIR safety assessment (CIR 211)
Eye Irritant in Testing
1 study / 1 irritating / reactions minimal (CIR 211)
Mixed Skin Irritation Results
2 studies / 1 irritating / 1 not irritating / reactions slight (CIR 211)
Concentration Guide
Leave-on1.5%
Rinse-off0.11%
0%50%100%
CIR reported use · 2023 survey
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR