2-Chlorobenzimidazole
- CAS NO.：4857-06-1
- Empirical Formula: C7H5ClN2
- Molecular Weight: 152.58
- MDL number: MFCD00051944
- EINECS: 225-453-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-10-29 11:48:30
What is 2-Chlorobenzimidazole?
Chemical properties
BEIGE TO BROWN CRYSTALLINE POWDER
The Uses of 2-Chlorobenzimidazole
2-Chlorobenzimidazole is mainly used for the synthesis of medicine and as an intermediate in organic synthesis.
What are the applications of Application
2-Chlorobenzimidazole can be used to synthesize the following:
1-methyl-2-chlorobenzimidazole via reaction with dimethyl sulfate
1-ethyl-2-chlorobenzimidazole via reaction with diethyl sulfate
1-benzyl-2-chlorobenzimidazole via reaction with benzyl chloride
2-chloro-4,5,6,7-tetrabromobenzimidazole via bromination with bromine
It may be used as a building block to synthesize 4-amino-6-benzimidazole-pyrimidines.
General Description
2-Chlorobenzimidazole can be synthesized by reacting benzimidazole-2-one with phosphoryl chloride in the presence of phenol.
Properties of 2-Chlorobenzimidazole
| Melting point: | 207-211 °C (lit.) |
| Boiling point: | 250.67°C (rough estimate) |
| Density | 1.2763 (rough estimate) |
| refractive index | 1.5500 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| pka | 9.81±0.10(Predicted) |
| form | Crystalline Powder |
| color | Beige to brown |
| Water Solubility | Insoluble in water. |
| Sensitive | Moisture Sensitive |
| BRN | 116526 |
| CAS DataBase Reference | 4857-06-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Chlorobenzimidazole(4857-06-1) |
| EPA Substance Registry System | 1H-Benzimidazole, 2-chloro- (4857-06-1) |
Safety information for 2-Chlorobenzimidazole
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2-Chlorobenzimidazole
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