Benzo[b]thiophene-6-carboxylic acid
[CAS 6179-26-6]

Identification

• Name: Benzo[b]thiophene-6-carboxylic acid
• Synonyms: 1-Benzothiophene-6-carboxylic acid; 6-Benzothiophenecarboxylic acid; 6-Carboxybenzothiophene
• Molecular Formula: C₉H₆O₂S
• Molecular Weight: 178.21
• CAS Registry Number: 6179-26-6
• EC Number: 861-687-8

Properties

• Solubility: Very slightly soluble (0.68 g/L) (25 °C), Calc.^*
• Density: 1.419±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 236 °C (ethanol water )^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2016 ACD/Labs)

^** Weissgerber, R.

Safety Data

Hazard Classification

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