1-Methyl-1H-pyrazole-4,5-dicarboxylic acid 4-ethyl ester
[CAS# 81303-65-3]

Identification

• Name: 1-Methyl-1H-pyrazole-4,5-dicarboxylic acid 4-ethyl ester
• Molecular Formula: C₈H₁₀N₂O₄
• Molecular Weight: 198.18
• CAS Registry Number: 81303-65-3
• EC Number: 695-266-3

Properties

• Solubility: Slightly soluble (4.4 g/L) (25 ºC), Calc.^*
• Density: 1.36±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*

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

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R22;R36/37/38
• Safety Description: S22;S26;S36/37/39

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