Skip to main content

4,5-dibromofuran-2-carboxylic acid

Also known as: 2,3-Dibromofuran-5-carboxylic acid, 4,5-Dibromo-2-furoic acid, 4,5-Dibromofuran-2-carboxylic acid, 4,5-dibromo-2-furancarboxylic acid, 4,5-dibromo-furan-2-carboxylic acid, 4,5-Dibrom-furan-2-carbonsaeure, MFCD00092311

4,5-dibromofuran-2-carboxylic acid (CAS 2434-03-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H2Br2O3 and a molecular weight of 269.87600 g/mol. Key properties include a melting point of 169-173 °C, a boiling point of 328.7ºC at 760mmHg, a density of 2.304g/cm3 and a flash point of 152.6ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2434-03-9
Jingsj CID
J-4691-3
Molecular Formula
C5H2Br2O3
Molecular Weight
269.87600 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point169-173 °C
Boiling Point328.7ºC at 760mmHg
Density2.304g/cm3
Flash Point152.6ºC
Exact Mass267.83700
PSA50.44000
LogP2.50280
Vapor Pressure7.53E-05mmHg at 25°C
Refractive Index1.614

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2932190090
Summary2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4,5-dibromofuran-2-carboxylic acid?

The CAS number of 4,5-dibromofuran-2-carboxylic acid is 2434-03-9.

What are the molecular formula and molecular weight of 4,5-dibromofuran-2-carboxylic acid?

4,5-dibromofuran-2-carboxylic acid has molecular formula C5H2Br2O3 and molecular weight 269.87600 g/mol.

Is 4,5-dibromofuran-2-carboxylic acid hazardous?

4,5-dibromofuran-2-carboxylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 4,5-dibromofuran-2-carboxylic acid?

For 4,5-dibromofuran-2-carboxylic acid, Upstream Products: Methyl 4,5-dibromo-2-furoate, 2-Furoic acid, 4,5-Dibromo-2-furaldehyde; Downstream Products: 2-Furoic acid, 4-Bromo-2-furoic acid, 2,3-Dibromofuran.

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

Last updated:

How to cite: Jingsj. "4,5-dibromofuran-2-carboxylic acid (CAS 2434-03-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4691-3 (accessed 2026-11-09).

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