Dibutyl Sebacate
AKA “Dibutyl decanedioate, 109-43-3, Butyl sebacate, Decanedioic acid, dibutyl ester, Di-n-butyl sebacate, Kodaflex DBS, Dibutyl sebacinate, Staflex DBS, Monoplex DBS
Emollient
Ingredient Facts
Dibutyl sebacate
AKA: Dibutyl decanedioate, 109-43-3, Decanedioic acid, Dibutyl ester, Di-n-butyl sebacate, Kodaflex DBS, Dibutyl sebacinate, Staflex DBS, Monoplex DBS
Emollient · Emollient · EWG: 4
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
See origin →
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
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR