Hexahydro-4-methylphthalic anhydride

4-甲基六氢苯酐

Also known as: MHHPA, 4-Methylcyclohexane-1,2-dicarboxylic anhydride, Hexahydro-4-methylphthalic anhydride, mixture of cis and trans, 4-Methyl-1,2-cyclohexanedicarboxylic anhydride, 5-Methylhexahydroisobenzofuran-1,3-dione, Hexahydro-3-methylphthalic anhydride, MFCD00005927

Hexahydro-4-methylphthalic anhydride (CAS 19438-60-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H12O3 and a molecular weight of 168.190 g/mol. It is also known as MHHPA, 4-Methylcyclohexane-1,2-dicarboxylic anhydride and Hexahydro-4-methylphthalic anhydride, mixture of cis and trans. Key properties include a melting point of -29°C, a boiling point of 300.0±11.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 140.0±16.5 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

19438-60-9

Jingsj CID

J-1195-6

Molecular Formula

C₉H₁₂O₃

Chinese Name

4-甲基六氢苯酐

Molecular Weight

168.190 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026