Itaconic anhydride

衣康酸酐

Also known as: Methylenesuccinic anhydride, 2-Methylenesuccinic anhydride, Dihydro-3-methylene-2,5-furandione, 2-Methylenebutanedioic anhydride, 2-methylidenebutanedioic anhydride, 3,4-Dihydro-3-methylene-2,5-furandione, Methylenesuccinic acid anhydride

Itaconic anhydride (CAS 2170-03-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H4O3 and a molecular weight of 112.08300 g/mol. It is also known as Methylenesuccinic anhydride, 2-Methylenesuccinic anhydride and Dihydro-3-methylene-2,5-furandione. Key properties include a melting point of 66-68 °C(lit.), a boiling point of 114-115 °C12 mm Hg(lit.), a density of 1.26 g/cm3 and a flash point of 114-115°C/12mm. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2170-03-8

Jingsj CID

J-42159-1

Molecular Formula

C₅H₄O₃

Chinese Name

衣康酸酐

Molecular Weight

112.08300 g/mol

Category

Organic Acids

Last updated

8/21/2026