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Bromomaleic anhydride

Also known as: 3-Bromofuran-2,5-dione, 2,5-Furandione, 3-bromo-, Bromomaleic acid anhydride, NSC 96611, MFCD00005519

Bromomaleic anhydride (CAS 5926-51-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4HBrO3 and a molecular weight of 176.95300 g/mol. Key properties include a boiling point of 397.4±42.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 194.1±27.9 °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 Nov 2, 2026.

CAS No.
5926-51-2
Jingsj CID
J-1327804-1
Molecular Formula
C4HBrO3
Molecular Weight
176.95300 g/mol
Category
Organic Acids
Last updated
11/2/2026

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Physicochemical Properties

Boiling Point397.4±42.0 °C at 760 mmHg
Density2.0±0.1 g/cm3
Flash Point194.1±27.9 °C
Exact Mass337.842529
PSA43.37000
LogP2.03
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.584

GHS Safety & Compliance

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

Customs & Trade Information

HS Code2917190090
Summary2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Bromomaleic anhydride?

The CAS number of Bromomaleic anhydride is 5926-51-2.

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

Bromomaleic anhydride has molecular formula C4HBrO3 and molecular weight 176.95300 g/mol.

Is Bromomaleic anhydride hazardous?

Bromomaleic 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 Bromomaleic anhydride?

For Bromomaleic anhydride, Upstream Products: 2-Bromomaleic acid, Maleic anhydride, meso-2,3-Dibromosuccinic acid; Downstream Products: meso-2,3-Dibromosuccinic acid, Maleic anhydride, Maleimide.

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

Last updated:

How to cite: Jingsj. "Bromomaleic anhydride (CAS 5926-51-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1327804-1 (accessed 2026-11-09).

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