5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid
[CAS# 58364-97-9]

Identification

• Name: 5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid
• Synonyms: 5-Hydroxy-1-methyl-3-pyrazolecarboxylic acid
• Molecular Formula: C₅H₆N₂O₃
• Molecular Weight: 142.11
• CAS Registry Number: 58364-97-9
• EC Number: 877-675-0

Properties

• Solubility: Slightly soluble (7 g/L) (25 °C), Calc.^*
• Density: 1.56±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 286 °C (decomp)^**

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

^** Sucrow, Wolfgang

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