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3-Fluorobenzoic acid

Also known as: m-Fluorobenzoic acid, meta-Fluorobenzoic acid, 3-Fluorobenzoic acid, 3-Fluorbenzoic acid, M-FLUOROBENZOIC ACID

3-Fluorobenzoic acid (CAS 455-38-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5FO2 and a molecular weight of 140.11 g/mol. Key properties include a melting point of 122-124 °C(lit.), a boiling point of 251.1ºC at 760mmHg, a density of 1.474 and a flash point of 105.7ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
455-38-9
Jingsj CID
J-14767-1
Molecular Formula
C7H5FO2
Molecular Weight
140.11 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point122-124 °C(lit.)
Boiling Point251.1ºC at 760mmHg
Density1.474
Flash Point105.7ºC
Exact Mass140.02700
PSA37.30000
LogP1.52390
Vapor Pressure0.0109mmHg at 25°C

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin 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-Fluorobenzoic acid?

The CAS number of 3-Fluorobenzoic acid is 455-38-9.

What are the molecular formula and molecular weight of 3-Fluorobenzoic acid?

3-Fluorobenzoic acid has molecular formula C7H5FO2 and molecular weight 140.11 g/mol.

Is 3-Fluorobenzoic acid hazardous?

3-Fluorobenzoic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 3-Fluorobenzoic acid?

For 3-Fluorobenzoic acid, Upstream Products: 3-Fluorobenzaldehyde, Carbon dioxide, 1-Fluoro-3-iodobenzene; Downstream Products: 3-(Chloromethyl)-5-(3-fluorophenyl)-1,2,4-oxadiazole, 5-Fluoro-2-nitrobenzoic acid, 3-Fluorobenzaldehyde.

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-Fluorobenzoic acid (CAS 455-38-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14767-1 (accessed 2026-11-09).

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