2-Chlorobenzenesulfonyl chloride
- CAS NO.：2905-23-9
- Empirical Formula: C6H4Cl2O2S
- Molecular Weight: 211.07
- MDL number: MFCD00051520
- EINECS: 220-807-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-20 15:45:06
What is 2-Chlorobenzenesulfonyl chloride?
Chemical properties
clear yellow to orange-red liquid
The Uses of 2-Chlorobenzenesulfonyl chloride
2-Chlorobenzenesulfonyl chloride is used as an organic chemical synthesis intermediate.
Properties of 2-Chlorobenzenesulfonyl chloride
| Melting point: | 26-28℃ |
| Boiling point: | 150-152 °C/12 mmHg (lit.) |
| Density | 1.548 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 140 °F |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| form | Liquid or Low Melting Solid |
| color | Clear yellow to orange-red |
| Water Solubility | It reacts with water. |
| Sensitive | Moisture Sensitive |
| BRN | 974321 |
| CAS DataBase Reference | 2905-23-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Chlorobenzenesulfonyl chloride(2905-23-9) |
| EPA Substance Registry System | Benzenesulfonyl chloride, 2-chloro- (2905-23-9) |
Safety information for 2-Chlorobenzenesulfonyl chloride
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H226:Flammable liquids H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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-Chlorobenzenesulfonyl chloride
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