1,2,3,4-Cyclobutanetetracarboxylic dianhydride

1,2,3,4-环丁四甲酸二酐

Also known as: 1,2,3,4-Cyclobutanetetracarboxylic dianhydride (purified by sublimation), Cyclobutane-1,2,3,4-tetracarboxylic dianhydride, Cyclobutane-1,2,3,4-tetracarboxylic acid dianhydride, Cyclobutane-1,2,3,4-tetracarboxylic acid dianhydride (CBDA), 3a,3b,6a,6b-Tetrahydrocyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetrone, 4,9-Dioxatricyclo[5.3.0.02,6]decane-3,5,8,10-tetrone, Cyclobuta[1,2-c:3,4-c']difuran-1,3,4,6(3aH,3bH,6aH,6bH)-tetraone, Tetrahydrocyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetrone, Maleic anhydride cyclic dimer, Cyclobutanetetracarboxylic dianhydride, CBDA, EINECS 224-577-5, MFCD00004944

1,2,3,4-Cyclobutanetetracarboxylic dianhydride (CAS 4415-87-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H4O6 and a molecular weight of 196.114 g/mol. It is also known as 1,2,3,4-Cyclobutanetetracarboxylic dianhydride (purified by sublimation), Cyclobutane-1,2,3,4-tetracarboxylic dianhydride and Cyclobutane-1,2,3,4-tetracarboxylic acid dianhydride. Key properties include a melting point of >300 °C(lit.), a boiling point of 545.3±50.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 253.7±30.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4415-87-6

Jingsj CID

J-15474-1

Molecular Formula

C₈H₄O₆

Chinese Name

1,2,3,4-环丁四甲酸二酐

Molecular Weight

196.114 g/mol

Category

Organic Acids

Last updated

8/21/2026