6-Bromo-1H-imidazo[4,5-b]pyridine
[CAS# 28279-49-4]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyridine compound >> Pyridine derivative
• Name: 6-Bromo-1H-imidazo[4,5-b]pyridine
• Synonyms: 6-Bromo-3H-imidazo[4,5-b]pyridine; 6-Bromo-4-azabenzimidazole
• Molecular Formula: C₆H₄BrN₃
• Molecular Weight: 198.02
• CAS Registry Number: 28279-49-4
• EC Number: 664-322-9

Properties

• Solubility: Sparingly soluble (10 g/L) (25 ºC), Calc.^*
• Density: 2.00±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 227-228 ºC (water )^**
• Boiling point: 218.4±50.0 ºC (760 Torr), Calc.^*
• Flash point: 85.9±30.1 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** Graboyes, Harold; Journal of the American Chemical Society 1957, V79, P6421-6.

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R22;R36/37/38
• Safety Description: S26

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Eye irritation	Eye Irrit.	2A	H319