Ricinoleamide DEA

AKA: 40716-42-5, 9-Octadecenamide, 12-hydroxy-N, Ricinoleic diethanolamide, MACKAMIDE R, OLAMIDA RD, DEA-RICINOLEAMIDE, AMINOL CA-2, [R-(Z)]-12-hydroxy-N, N-bis(2-hydroxyethyl)-9-octadecenamide
Synthetic
Cleanser
Not Clean
OriginDerived from ricinoleic acid, a fatty acid naturally found in castor oil, combined with diethanolamine. Synthesized through amidation, where ricinoleic acid reacts with diethanolamine to form the amide compound.
[R-(Z)]-12-Hydroxy-N,N-bis(2-hydroxyethyl)-9-octadecenamide
Formula
C22H43NO4
Mol. Weight
385.60
CAS #
40716-42-5
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Antistatic
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Foam Boosting
Viscosity Controlling
Reduces Static
Cleansing Surfactant
Boosts Lather
Controls Viscosity
Enhances lather
Lifts away dirt and oil
Reduces flyaways
Controls product thickness
The paper trail
🔬Peer-reviewed1 paper →
⚖️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
Caution
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 593)
Not an Eye Irritant
1 study / 1 not irritating (CIR 593)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2013
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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