Dioctyldodecyl Dodecanedioate

AKA: Bis(2-octyldodecyl) Dodecanedioate, 129423-55-8, Dodecanedioic acid, Bis(2-octyldodecyl) ester, 1, 12-bis(2-octyldodecyl) ester, (+-)-DIOCTYLDODECYL DODECANEDIOATE
Synthetic
Emollient
Skin Conditioner
Hair Care
Clean
OriginDerived from dodecanoic acid and dioctyldodecanol, both synthetic fatty acid derivatives and alcohols. Synthesized through esterification reaction between the carboxylic acid and alcohol under catalytic conditions.
Dodecanedioic acid, bis(octyldodecyl) ester
Formula
C52H102O4
Mol. Weight
791.40
CAS #
129423-55-8
Form
Oil
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Antistatic
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
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
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Eye Irritant
1 study / 1 not irritating (CIR 528)
Not a Sensitizer
2 studies / 2 not sensitizing (CIR 528)
Not a Skin Irritant
2 studies / 2 not irritating (CIR 528)
Concentration Guide
Leave-on6%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2012
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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