Diphenic anhydride

联苯酸酐

Also known as: Dibenz[c,e]oxepin-5,7-dione, Dibenzo[c,e]oxepine-5,7-dione, 2,2'-Biphenyldicarboxylic anhydride, 2,2'-Biphenyldicarboxylic acid anhydride, Diphenic acid anhydride, o-Diphenic anhydride, 2,2'-Diphenyldicarboxylic anhydride, biphenyl-2,2'-dicarboxylic anhydride, benzo[d][2]benzoxepine-5,7-dione, MFCD00004993, EINECS 227-950-0

CAS No.
6050-13-1
Jingsj CID
J-35524-9
Molecular Formula
C14H8O3
Chinese Name
联苯酸酐
Molecular Weight
224.212 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point225-227 °C(lit.)
Boiling Point424.0±14.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point212.0±17.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Diphenic anhydride?

6050-13-1

What are the molecular formula and molecular weight of Diphenic anhydride?

C14H8O3, molecular weight 224.212 g/mol

Is Diphenic anhydride hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026