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2,3-Diphenylmaleic anhydride

Also known as: Diphenylmaleic anhydride, 3,4-Diphenylfuran-2,5-dione, 3,4-Diphenyl-2,5-furandione, 2,5-Furandione, 3,4-diphenyl-, 3,4-Diphenyl-2,5-dihydrofuran-2,5-dione

2,3-Diphenylmaleic anhydride (CAS 4808-48-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H10O3 and a molecular weight of 250.249 g/mol. Key properties include a melting point of 153-157ºC, a boiling point of 437.1±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 215.4±25.9 °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.
4808-48-4
Jingsj CID
J-42227-5
Molecular Formula
C16H10O3
Molecular Weight
250.249 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point153-157ºC
Boiling Point437.1±45.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point215.4±25.9 °C
Exact Mass250.062988
PSA43.37000
LogP3.29
AppearanceCrystalline Powder or Powder | Yellow to dark yellow
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.642
Additional PropertyDMF: soluble

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. M. Yoon, et al. 2,3-Diphenylmaleic Anhydride, an Analogue of cis-Stilbene. Acta Cryst. (1995). C51, 1374-1377

Customs & Trade Information

HS Code2917399090
Summary2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,3-Diphenylmaleic anhydride?

The CAS number of 2,3-Diphenylmaleic anhydride is 4808-48-4.

What are the molecular formula and molecular weight of 2,3-Diphenylmaleic anhydride?

2,3-Diphenylmaleic anhydride has molecular formula C16H10O3 and molecular weight 250.249 g/mol.

Is 2,3-Diphenylmaleic anhydride hazardous?

2,3-Diphenylmaleic anhydride has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 2,3-Diphenylmaleic anhydride?

For 2,3-Diphenylmaleic anhydride, Upstream Products: Benzoylformic acid, 3,4-diphenyl-5H-furan-2-one, Ethyl benzoylformate; Downstream Products: 3,4-diphenyl-5H-furan-2-one, benzoic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,3-Diphenylmaleic anhydride (CAS 4808-48-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42227-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.