1H-Pyrazole-3-acetonitrile
[CAS# 135237-01-3]

Identification

• Name: 1H-Pyrazole-3-acetonitrile
• Synonyms: 3-Cyanomethylpyrazole
• Molecular Formula: C₅H₅N₃
• Molecular Weight: 107.11
• CAS Registry Number: 135237-01-3
• EC Number: 801-784-4

Properties

• Solubility: Slightly soluble (5.6 g/L) (25 ºC), Calc.^*
• Density: 1.228±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Boiling point: 117-120 ºC (0.4 Torr)^**
• Refractive index: 1.5138 (589.3 nm 25 ºC)^**
• Flash point: 118.2±6.1 ºC, Calc.^*

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

^** Jones, Reuben G.; Journal of the American Chemical Society 1949, V71, P3994-4000.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Serious eye damage	Eye Dam.	1	H318
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H312