4,9-Dibromoisochromeno[6,5,4-def]isochromene-1,3,6,8-tetraone

4,9-二溴异色烯并[6,5,4-def]异色烯-1,3,6,8-四酮

Also known as: 2,6-Dibromonaphthalene-1,4,5,8-tetracarboxylic dianhydride, 2,6-Dibromo-1,4,5,8-tetracarboxynaphthalenedianhydride, 4,9-Dibromo[2]benzopyrano[6,5,4-def][2]benzopyran-1,3,6,8-tetrone, NDI-2Br, M8120

4,9-Dibromoisochromeno[6,5,4-def]isochromene-1,3,6,8-tetraone (CAS 83204-68-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C14H2Br2O6 and a molecular weight of 425.97000 g/mol. It is also known as 2,6-Dibromonaphthalene-1,4,5,8-tetracarboxylic dianhydride, 2,6-Dibromo-1,4,5,8-tetracarboxynaphthalenedianhydride and 4,9-Dibromo[2]benzopyrano[6,5,4-def][2]benzopyran-1,3,6,8-tetrone. Key property: a melting point of 350 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

83204-68-6

Jingsj CID

J-1182286-8

Molecular Formula

C₁₄H₂Br₂O₆

Chinese Name

4,9-二溴异色烯并[6,5,4-def]异色烯-1,3,6,8-四酮

Molecular Weight

425.97000 g/mol

Category

Ketones

Last updated

8/21/2026