2-Phenyl-2H-pyrazole-3-carboxylic acid
[CAS# 1133-77-3]

Identification

• Name: 2-Phenyl-2H-pyrazole-3-carboxylic acid
• Synonyms: NSC 40268
• Molecular Formula: C₁₀H₈N₂O₂
• Molecular Weight: 188.18
• CAS Registry Number: 1133-77-3
• EC Number: 800-054-2

Properties

• Solubility: Slightly soluble (1.7 g/L) (25 ºC), Calc.^*
• Density: 1.28±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 185-186 ºC (water )^**

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

^** Ainsworth, Cameron; Journal of the American Chemical Society 1954, V76, P3172-4.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2A	H319