4-Methylbenzo[b]thiophene-2-carboxylic acid
[CAS# 1735-13-3]

Identification

• Name: 4-Methylbenzo[b]thiophene-2-carboxylic acid
• Molecular Formula: C₁₀H₈O₂S
• Molecular Weight: 192.23
• CAS Registry Number: 1735-13-3
• EC Number: 813-559-8

Properties

• Solubility: Very slightly soluble (0.29 g/L) (25 ºC), Calc.^*
• Density: 1.355±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 197-198 ºC^**

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

^** Matsuki, Yasuo; Nippon Kagaku Zasshi 1965, V86(1), P99-102.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335