2-Chloro-1H-imidazole

CAS NO.：16265-04-6
Empirical Formula: C3H3ClN2
Molecular Weight: 102.52
MDL number: MFCD02179530
SAFETY DATA SHEET (SDS)
Update Date: 2025-07-24 18:13:47

What is 2-Chloro-1H-imidazole?

Chemical properties

2-Chloro-1H-imidazole is an imidazole compound with the appearance of white to off-white powder to crystal, molecular weight 102.52, melting point 166.0 ~ 170.0 °C, it is sensitive to heat, and is usually stored at 2-8°C. It can be used as an antimicrobial agent in the manufacture of imidazoles.

The Uses of 2-Chloro-1H-imidazole

2-Chloroimidazole is used in pharmaceuticals, drug candidates, ligands for transition metal catalysts and other molecular functional materials.

The Uses of 2-Chloro-1H-imidazole

2-Chloro-1H-imidazole can be used as an organic reaction reagent for the study of halogenated imidazoles. It is mainly used for chemical and laboratory research use.

Definition

ChEBI: An imidazole compound having a chloro substituent at the 2-position.

Synthesis Reference(s)

The Journal of Organic Chemistry, 63, p. 12, 1998 DOI: 10.1021/jo970355+

Properties of 2-Chloro-1H-imidazole

Melting point:	165-170 °C
Boiling point:	252.7±23.0 °C(Predicted)
Density	1.405±0.06 g/cm3(Predicted)
storage temp.	2-8°C
pka	11.23±0.10(Predicted)
form	powder to crystal
color	White to Almost white
CAS DataBase Reference	16265-04-6(CAS DataBase Reference)

Safety information for 2-Chloro-1H-imidazole

Signal word	Danger
Pictogram(s)	Corrosion Corrosives GHS05 Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water.