3-Chloro-4-pyridazinecarbonitrile
[CAS# 1445-56-3]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyridazine
• Name: 3-Chloro-4-pyridazinecarbonitrile
• Synonyms: 3-Chloropyridazine-4-carbonitrile; 4-Cyano-3-chloropyridazine
• Molecular Formula: C₅H₂ClN₃
• Molecular Weight: 139.54
• CAS Registry Number: 1445-56-3
• EC Number: 835-281-6

Properties

• Solubility: Sparingly soluble (18 g/L) (25 °C), Calc.^*
• Density: 1.43±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 41.5-43.0 °C (ethyl ether )^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2019 ACD/Labs)

^** Yanai, Mitsuji

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