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Diisobutyl Succinate
AKA “Butanedioic acid, bis(2-methylpropyl) ester, Succinic acid, diisobutyl ester, UNII-1241X4J800, EINECS 213-113-7, 1, 4-bis(2-methylpropyl) ester, AI3-05515, 1241X4J800, DTXSID2052734, di-(2-methylpropyl) ester”
Ingredient
Ingredient Facts
Diisobutyl succinate
AKA: Butanedioic acid, Bis(2-methylpropyl) ester, Succinic acid, Diisobutyl ester, UNII-1241X4J800, EINECS 213-113-7, 1, 4-bis(2-methylpropyl) ester, AI3-05515, 1241X4J800, DTXSID2052734, Di-(2-methylpropyl) ester
Ingredient · Plasticiser · EWG: 4
Synthetic
Not Clean
Diisobutyl Succinate is a cosmetic ingredient used as plasticiser. Also known as Butanedioic acid. Assessed as safe by the CIR.
Formula
C12H22O4
Mol. Weight
230.30
CAS #
925-06-4
Form
Liquid
See origin →
Functions
Plasticiser
Antioxidant
Adds flexibility
Traditional Use
Synthetic ester formulated as a skin conditioning and emollient agent. Created to improve the sensory feel of cosmetic products.
Skin Types
●all-skin-types
Best For
Dryness
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
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR