Adipic Acid
molecular structure · PubChem
AKA: Hexanedioic acid, 124-04-9, Adipinic acid, 1, 4-Butanedicarboxylic acid, Adilactetten, Acifloctin, Acinetten, 6-Hexanedioic acid, Molten adipic acid
Synthetic
Safety Concern
Acid
Clean
Adipic acid is an alpha,-dicarboxylic acid that is the 1,4-dicarboxy derivative of butane. It has a role as a food acidity regulator and a human xenobiotic metabolite. It is a dicarboxylic fatty acid and an alpha,omega-dicarboxylic acid. It is a conjugate acid of an adipate(1-).
Solubility Slightly soluble in water. Freely soluble in ethanol
Formula
C6H10O4
Mol. Weight
146.14
CAS #
124-04-9
Form
Liquid
State
Adipic acid is a white crystalline solid. It is insoluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It is u
Functions
Buffering
Antioxidant
Antimicrobial
Anti-Inflammatory
Provides scent
Maintains optimal pH
Traditional Use
Synthetically produced from benzene in the 1940s-1950s as a replacement for natural citric acid. Used in cosmetics as a pH buffer and preservative booster since the mid-20th century.
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR