Diisobutyl Glutarate
AKA “Pentanedioic acid, bis(2-methylpropyl) ester, UNII-5DXH8859OE, 5DXH8859OE, Glutaric acid, diisobutyl ester, EINECS 275-257-7, 1, 5-bis(2-methylpropyl) ester, DTXSID9072282, Pentanedioic acid bis(2-methylpropyl) ester, diisobutyl glutarate, RefChem:134032
Ingredient
Ingredient Facts
Diisobutyl glutarate
AKA: Pentanedioic acid, Bis(2-methylpropyl) ester, UNII-5DXH8859OE, 5DXH8859OE, Glutaric acid, Diisobutyl ester, EINECS 275-257-7, 1, 5-bis(2-methylpropyl) ester, DTXSID9072282, Pentanedioic acid bis(2-methylpropyl) ester, RefChem:134032
Ingredient · Plasticiser · EWG: 4
Synthetic
Not Clean
Diisobutyl Glutarate is a cosmetic ingredient used as plasticiser. Also known as Pentanedioic acid. Assessed as safe by the CIR.
Formula
C13H24O4
Mol. Weight
244.33
CAS #
71195-64-7
Form
Liquid
See origin →
Functions
Plasticiser
Antioxidant
Adds flexibility
Traditional Use
Modern synthetic ester used as an emollient in cosmetic formulations. Developed to provide lightweight conditioning without interfering with formulation stability.
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
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR