3,4-DICHLOROBENZENESULFONYL CHLORIDE
- CAS NO.：98-31-7
- Empirical Formula: C6H3Cl3O2S
- Molecular Weight: 245.51
- MDL number: MFCD00041255
- EINECS: 202-656-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-04 16:00:12
What is 3,4-DICHLOROBENZENESULFONYL CHLORIDE?
Description
3,4-Dichlorobenzenesulfonyl Chloride, fp 22.4℃, is manufactured from o-dichlorobenzene and chlorosulfuric acid; used as an inexpensive acylating agent.
Chemical properties
Clear colorless to light yellow liquid
The Uses of 3,4-DICHLOROBENZENESULFONYL CHLORIDE
3,4-Dichloro-benzenesulfonyl Chloride is a useful reagent for organic synthesis.
Properties of 3,4-DICHLOROBENZENESULFONYL CHLORIDE
| Melting point: | 20-22°C |
| Boiling point: | 253 °C(lit.) |
| Density | 1.572 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 135 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| form | powder to lump to clear liquid |
| color | White or Colorless to Almost white or Almost colorless |
| Sensitive | Moisture Sensitive |
| BRN | 1956417 |
| CAS DataBase Reference | 98-31-7(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenesulfonyl chloride, 3,4-dichloro- (98-31-7) |
Safety information for 3,4-DICHLOROBENZENESULFONYL 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 3,4-DICHLOROBENZENESULFONYL CHLORIDE
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