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5-Bromo-1,3-benzodioxole-4-carboxylic acid

Also known as: 5-BROMO-1,3-BENZODIOXOLE-4-CARBOXYLIC ACID, 5-BROMOBENZO[1,3]DIOXOLE-4-CARBOXYLIC ACID, 5-Brombenzo[1,3]dioxol-4-carbonsure, 5-Bromo-1,3-dioxaindane-4-carboxylic acid, 5-bromobenzo[d][1,3]dioxole-4-carboxylic acid, 1,3-Benzodioxole-4-carboxylic acid, 5-bromo-

5-Bromo-1,3-benzodioxole-4-carboxylic acid (CAS 72744-56-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H5BrO4 and a molecular weight of 245.027 g/mol. Key properties include a melting point of 169-173ºC, a boiling point of 353.2±42.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 167.4±27.9 °C. 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.
72744-56-0
Jingsj CID
J-1472195-0
Molecular Formula
C8H5BrO4
Molecular Weight
245.027 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point169-173ºC
Boiling Point353.2±42.0 °C at 760 mmHg
Density1.9±0.1 g/cm3
Flash Point167.4±27.9 °C
Exact Mass243.937119
PSA55.76000
LogP1.96
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.648

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 Code2932999099
Summary2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5-Bromo-1,3-benzodioxole-4-carboxylic acid?

The CAS number of 5-Bromo-1,3-benzodioxole-4-carboxylic acid is 72744-56-0.

What are the molecular formula and molecular weight of 5-Bromo-1,3-benzodioxole-4-carboxylic acid?

5-Bromo-1,3-benzodioxole-4-carboxylic acid has molecular formula C8H5BrO4 and molecular weight 245.027 g/mol.

Is 5-Bromo-1,3-benzodioxole-4-carboxylic acid hazardous?

5-Bromo-1,3-benzodioxole-4-carboxylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

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

Last updated:

How to cite: Jingsj. "5-Bromo-1,3-benzodioxole-4-carboxylic acid (CAS 72744-56-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1472195-0 (accessed 2026-11-09).

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