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5-(4-Fluorophenyl)thiophene-2-carboxylic acid

Also known as: 5-(4-Fluorophenyl)-2-thiophenecarboxylic acid, 2-Carboxy-5-(4-fluorophenyl)thiophene, 1-(5-Carboxythien-2-yl)-4-fluorobenzene, 5-(4-Fluorophenyl)-2-thenoic acid, 2-Thiophenecarboxylic acid, 5-(4-fluorophenyl)-, MFCD01316570

5-(4-Fluorophenyl)thiophene-2-carboxylic acid (CAS 115933-30-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H7FO2S and a molecular weight of 222.23500 g/mol. Key properties include a melting point of 250-254ºC(lit.), a boiling point of 389.6ºC at 760mmHg, a density of 1.38g/cm3 and a flash point of 189.4ºC. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
115933-30-7
Jingsj CID
J-1475867-9
Molecular Formula
C11H7FO2S
Molecular Weight
222.23500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point250-254ºC(lit.)
Boiling Point389.6ºC at 760mmHg
Density1.38g/cm3
Flash Point189.4ºC
Exact Mass222.01500
PSA65.54000
LogP3.25240
Vapor Pressure9.09E-07mmHg at 25°C
Refractive Index1.614

GHS Safety & Compliance

IrritantSignal word: Warning
  • H319 — Causes serious eye irritation

Frequently Asked Questions

What is the CAS number of 5-(4-Fluorophenyl)thiophene-2-carboxylic acid?

The CAS number of 5-(4-Fluorophenyl)thiophene-2-carboxylic acid is 115933-30-7.

What are the molecular formula and molecular weight of 5-(4-Fluorophenyl)thiophene-2-carboxylic acid?

5-(4-Fluorophenyl)thiophene-2-carboxylic acid has molecular formula C11H7FO2S and molecular weight 222.23500 g/mol.

Is 5-(4-Fluorophenyl)thiophene-2-carboxylic acid hazardous?

5-(4-Fluorophenyl)thiophene-2-carboxylic acid has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.

What are the upstream and downstream products of 5-(4-Fluorophenyl)thiophene-2-carboxylic acid?

For 5-(4-Fluorophenyl)thiophene-2-carboxylic acid, Upstream Products: 2-(4-Fluorophenyl)thiophene, Carbon dioxide, Ethyl 5-bromothiophene-2-carboxylate.

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-(4-Fluorophenyl)thiophene-2-carboxylic acid (CAS 115933-30-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1475867-9 (accessed 2026-11-09).

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