2-(Methanesulfonyl)benzimidazole
[CAS# 57159-81-6]

Identification

• Classification: Organic raw materials >> Heterocyclic compound >> Imidazoles
• Name: 2-(Methanesulfonyl)benzimidazole
• Synonyms: 2-(Methylsulfonyl)benzimidazole; NSC 191930
• Molecular Formula: C₈H₈N₂O₂S
• Molecular Weight: 196.23
• CAS Registry Number: 57159-81-6
• EC Number: 858-390-0

Properties

• Solubility: Very slightly soluble (0.24 g/L) (25 ºC), Calc.^*
• Density: 1.433±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 202 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Hoggarth, Eric; Journal of the Chemical Society 1949, P3311-15.

Safety Data

Hazard Classification

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