3-Formyl-2-thiophenecarboxylic acid
[CAS# 19991-68-5]

Identification

• Name: 3-Formyl-2-thiophenecarboxylic acid
• Molecular Formula: C₆H₄O₃S
• Molecular Weight: 156.16
• CAS Registry Number: 19991-68-5
• EC Number: 827-769-2

Properties

• Solubility: Slightly soluble (2.7 g/L) (25 ºC), Calc.^*
• Density: 1.514±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 130-131 ºC (benzene ligroine )^**

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

^** Gronowitz, Salo; Arkiv foer Kemi 1963, V20(33), P407-15.

Safety Data

Hazard Classification

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