1H-Pyrazole-3,4-dicarboxylic acid 3,4-dimethyl ester
[CAS# 33090-46-9]

Identification

• Name: 1H-Pyrazole-3,4-dicarboxylic acid 3,4-dimethyl ester
• Synonyms: Dimethyl pyrazole-3,4-dicarboxylate; NSC 108598
• Molecular Formula: C₇H₈N₂O₄
• Molecular Weight: 184.15
• CAS Registry Number: 33090-46-9
• EC Number: 855-404-7

Properties

• Solubility: Slightly soluble (3.3 g/L) (25 ºC), Calc.^*
• Density: 1.346±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 141 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** Diels, Otto; Berichte der Deutschen Chemischen Gesellschaft [Abteilung] B: Abhandlungen 1938, V71B, P1173-8.

Safety Data

Hazard Classification

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