Dibutyl Sebacate
molecular structure · PubChem
AKA: Dibutyl decanedioate, 109-43-3, Decanedioic acid, Dibutyl ester, Di-n-butyl sebacate, Kodaflex DBS, Dibutyl sebacinate, Staflex DBS, Monoplex DBS
Synthetic
Emollient
Occlusive
Solvent
Skin Conditioner
Hair Care
Not Clean
Dibutyl decanedioate is a flavouring ingredient used in fruit food flavouring.
Solubility Soluble in ethyl ether
Formula
C18H34O4
Mol. Weight
314.50
CAS #
109-43-3
Form
Liquid
State
Liquid
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Plasticiser
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.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Locks In Moisture
Traditional Use
Synthetic ester developed for cosmetic and polymer applications in the mid-20th century. Used as a plasticizer and conditioning agent to improve product feel and spreadability.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR