5-Fluorothiophen-2-carboxylic acid
[CAS# 4377-58-6]

Identification

• Name: 5-Fluorothiophen-2-carboxylic acid
• Synonyms: 5-Fluorothiophene-2-carboxylic acid
• Molecular Formula: C₅H₃FO₂S
• Molecular Weight: 146.14
• CAS Registry Number: 4377-58-6
• EC Number: 821-833-3

Properties

• Solubility: Very slightly soluble (0.72 g/L) (25 ºC), Calc.^*
• Density: 1.527±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 139-141 ºC^**
• Boiling point: 271.2±20.0 ºC (760 Torr), Calc.^*
• Flash point: 117.8±21.8 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Shen, Tsung-Ying; US 3201414 1965.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2A	H319
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315