3H-1,2,3-Triazolo[4,5-b]pyridine
[CAS# 273-34-7]

Identification

• Name: 3H-1,2,3-Triazolo[4,5-b]pyridine
• Synonyms: 1H-1,2,3-Triazolo[4,5-b]pyridine; 1H-v-Triazolo[4,5-b]pyridine; 1H-Pyrido[2,3-d]-1,2,3-triazole; 1H-Pyrido[2,3-d]-v-triazole; 2,7-Diaza-1H-benzimidazole; 2,7-Diazabenzimidazole
• Molecular Formula: C₅H₄N₄
• Molecular Weight: 120.11
• CAS Registry Number: 273-34-7
• EC Number: 626-564-3

Properties

• Density: 1.61
• Melting point: 195 °C
• Boiling point: 230 °C
• Flash point: 93 °C

Safety Data

Hazard Classification

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