1-Ethyl-1H-pyrazole-3-carboxylic acid
[CAS# 400755-44-4]

Identification

• Name: 1-Ethyl-1H-pyrazole-3-carboxylic acid
• Molecular Formula: C₆H₈N₂O₂
• Molecular Weight: 140.14
• CAS Registry Number: 400755-44-4
• EC Number: 673-170-2

Properties

• Solubility: Slightly soluble (4.5 g/L) (25 ºC), Calc.^*
• Density: 1.27±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 176-177 ºC (isopropanol )^**

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

^** Lyalin, B. V.; Russian Chemical Bulletin 2010, V58(2), P291-296.

Safety Data

Hazard Classification

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