4-Amino-1H-pyrazole-3-carboxylic acid
[CAS# 116008-52-7]

Identification

• Name: 4-Amino-1H-pyrazole-3-carboxylic acid
• Molecular Formula: C₄H₅N₃O₂
• Molecular Weight: 127.10
• CAS Registry Number: 116008-52-7
• EC Number: 828-689-0

Properties

• Solubility: Slightly soluble (8.8 g/L) (25 °C), Calc.^*
• Density: 1.677±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 212.5 °C^**

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

^** Bertho, Alfred

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	5	H303
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2A	H319
Skin irritation	Skin Irrit.	2	H315