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Diisooctyl Sebacate
AKA “Dioctan-2-yl decanedioate, RefChem:338873, DTXCID40494727, Di(octan-2-yl) decanedioate, GCODXQZNEMRCBU-UHFFFAOYSA-N, Sebacic acid, di(2-octyl) ester, decanedioic acid bis-(1-methyl-heptyl) ester”
Synthetic
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Ingredient Facts
Diisooctyl sebacate
AKA: Dioctan-2-yl decanedioate, RefChem:338873, DTXCID40494727, Di(octan-2-yl) decanedioate, GCODXQZNEMRCBU-UHFFFAOYSA-N, Sebacic acid, Di(2-octyl) ester, Decanedioic acid bis-(1-methyl-heptyl) ester
Synthetic · Antioxidant | Plasticiser | Skin Conditioning - Emollient · EWG: 4
Plant-Derived
Antioxidant
Emollient
Skin Conditioner
Synthetic
Clean
A lightweight conditioning agent that helps soften and smooth skin while improving product texture and performance.
Formula
C26H50O4
Mol. Weight
426.70
CAS #
10340-41-7
Form
Liquid
Plant-Derived
Synthetic. Derived from sebacic acid (a dicarboxylic acid) and isooctyl alcohol through esterification chemistry. Synthesized by esterification reaction between sebacic acid and isooctyl alcohol under catalytic conditions.
Function
Antioxidant | Plasticiser | Skin Conditioning - Emollient
Benefits
Locks In Moisture
Traditional Use
Developed in the mid-20th century as a synthetic ester emollient designed to replace natural plant oils. Used in cosmetics since the 1950s as a lightweight conditioning agent and skin softener.
Skin Types
all-skin-types
Best For
Target
Dryness
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR