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3-(4-Bromophenyl)propionic acid

Also known as: 3-(4-Bromophenyl)propanoic acid, 4-Bromobenzenepropanoic acid, Benzenepropanoic acid, 4-bromo-, 3-(4-Bromo-phenyl)-propionic acid, MFCD03001681

3-(4-Bromophenyl)propionic acid (CAS 1643-30-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9BrO2 and a molecular weight of 229.071 g/mol. Key properties include a melting point of 134 °C, a boiling point of 336.3±17.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 157.2±20.9 °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.
1643-30-7
Jingsj CID
J-43609-9
Molecular Formula
C9H9BrO2
Molecular Weight
229.071 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point134 °C
Boiling Point336.3±17.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point157.2±20.9 °C
Exact Mass227.978592
PSA37.30000
LogP2.61
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.579

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 Code2916399090
Summary2916399090 other aromatic monocarboxylic 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 3-(4-Bromophenyl)propionic acid?

The CAS number of 3-(4-Bromophenyl)propionic acid is 1643-30-7.

What are the molecular formula and molecular weight of 3-(4-Bromophenyl)propionic acid?

3-(4-Bromophenyl)propionic acid has molecular formula C9H9BrO2 and molecular weight 229.071 g/mol.

Is 3-(4-Bromophenyl)propionic acid hazardous?

3-(4-Bromophenyl)propionic 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 3-(4-Bromophenyl)propionic acid?

For 3-(4-Bromophenyl)propionic acid, Upstream Products: 2-(4-Bromobenzyl)malonic acid, 2,4,4-Trimethyl-2-oxazoline, 4-Bromobenzyl bromide; Downstream Products: 3-(4-Biphenylyl)propanoic acid, Ethyl 3-(4-bromophenyl)propanoate, 3-Phenylpropan-1-ol.

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

Last updated:

How to cite: Jingsj. "3-(4-Bromophenyl)propionic acid (CAS 1643-30-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43609-9 (accessed 2026-11-09).

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