3-(Thiophen-2-yl)-1H-pyrazole-4-carboxaldehyde
[CAS# 26033-27-2]

Identification

• Name: 3-(Thiophen-2-yl)-1H-pyrazole-4-carboxaldehyde
• Molecular Formula: C₈H₆N₂OS
• Molecular Weight: 178.21
• CAS Registry Number: 26033-27-2
• EC Number: 832-460-0

Properties

• Solubility: Practically insoluble (0.059 g/L) (25 ºC), Calc.^*
• Density: 1.398±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 69-71 ºC (water )^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** Lebedev, A. V.; Russian Journal of General Chemistry 2005, V75(5), P782-789.

Safety Data

Hazard Classification

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