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2-fluorobiphenyl-4-carboxylic acid

Also known as: 3-fluoro-4-phenylbenzoic acid, 3-fluoro-4-biphenylcarboxylic acid, 2-fluorobiphenyl-4-carboxylic Acid, Flurbiprofen EP Impurity E, Flurbiprofen Impurity 5, Flurbiprofen Impurity 5 (EP Impurity E), MFCD05664334, UNII-Z6XXN3O38O

2-fluorobiphenyl-4-carboxylic acid (CAS 137045-30-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H9FO2 and a molecular weight of 216.20800 g/mol. Key properties include a melting point of 223-227ºC(lit.), a boiling point of 366.3ºC at 760 mmHg, a density of 1.261g/cm3 and a flash point of 175.3ºC. 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.
137045-30-8
Jingsj CID
J-15864-5
Molecular Formula
C13H9FO2
Molecular Weight
216.20800 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point223-227ºC(lit.)
Boiling Point366.3ºC at 760 mmHg
Density1.261g/cm3
Flash Point175.3ºC
Exact Mass216.05900
PSA37.30000
LogP3.19090
Vapor Pressure5.21E-06mmHg at 25°C
Refractive Index1.588

GHS Safety & Compliance

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

Frequently Asked Questions

What is the CAS number of 2-fluorobiphenyl-4-carboxylic acid?

The CAS number of 2-fluorobiphenyl-4-carboxylic acid is 137045-30-8.

What are the molecular formula and molecular weight of 2-fluorobiphenyl-4-carboxylic acid?

2-fluorobiphenyl-4-carboxylic acid has molecular formula C13H9FO2 and molecular weight 216.20800 g/mol.

Is 2-fluorobiphenyl-4-carboxylic acid hazardous?

2-fluorobiphenyl-4-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 2-fluorobiphenyl-4-carboxylic acid?

For 2-fluorobiphenyl-4-carboxylic acid, Upstream Products: Carbon dioxide, 4-Bromo-2-fluorobiphenyl.

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

Last updated:

How to cite: Jingsj. "2-fluorobiphenyl-4-carboxylic acid (CAS 137045-30-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15864-5 (accessed 2026-11-09).

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