3-Methyl-1H-pyrazole-4-carboxylic acid ethyl ester
[CAS# 85290-78-4]

Identification

• Name: 3-Methyl-1H-pyrazole-4-carboxylic acid ethyl ester
• Synonyms: Ethyl 3-methyl-1H-pyrazole-4-carboxylate; Ethyl 3-methylpyrazole-4-carboxylate; NSC 19454
• Molecular Formula: C₇H₁₀N₂O₂
• Molecular Weight: 154.17
• CAS Registry Number: 85290-78-4
• EC Number: 839-637-1

Properties

• Solubility: Slightly soluble (1.9 g/L) (25 ºC), Calc.^*
• Density: 1.171±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 80 ºC (ethyl acetate ligroine )^**
• Boiling point: 280.6±20.0 ºC (760 Torr), Calc.^*
• Flash point: 123.5±21.8 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Sridhar, R.; Journal of Heterocyclic Chemistry 2004, V41(3), P405-408.

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