Pyromellitic dianhydride

Also known as: PMDA, 1,2,4,5-Benzenetetracarboxylic dianhydride, 1,2,4,5-Benzenetetracarboxylic anhydride, 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone, BDFtetron, Pyromellitic anhydride, 1,2,4,5-Benzenetetracarboxylic 1,2:4,5-dianhydride, Pyromellitic dianhyd, Pyromelliticanhydride, pyromellithic dianhydride, benzene-1,2,4,5-tetracarboxylic dianhydride, 1H,3H-Furo[3,4-f][2]benzofuran-1,3,5,7-tetrone, Piromellitic dianhydride, EINECS 201-898-9, MFCD00005005

Pyromellitic dianhydride (CAS 89-32-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H2O6 and a molecular weight of 218.119 g/mol. Key properties include a melting point of 283-286 °C(lit.), a boiling point of 398.6±15.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 183.5±20.4 °C. It is classified under GHS with signal word Danger and hazard statements H317 — May cause an allergic skin reaction, H318 — Causes serious eye damage and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

89-32-7

Jingsj CID

J-47451-1

Molecular Formula

C₁₀H₂O₆

Molecular Weight

218.119 g/mol

Category

Organic Acids

Last updated

8/21/2026