1-Methyl-1H-pyrazole-4-carboxylic acid hydrazide
[CAS# 170020-91-4]

Identification

• Name: 1-Methyl-1H-pyrazole-4-carboxylic acid hydrazide
• Molecular Formula: C₅H₈N₄O
• Molecular Weight: 140.14
• CAS Registry Number: 170020-91-4
• EC Number: 826-183-4

Properties

• Solubility: Soluble (66 g/L) (25 ºC), Calc.^*
• Density: 1.43±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

Safety Data

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
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H332