3,4-Dichlorobenzenesulfonyl chloride , ≥98% , 98-31-7

CAS NO.：98-31-7

Empirical Formula: C6H3Cl3O2S

Molecular Weight: 245.51

MDL number: MFCD00041255

EINECS: 202-656-5

PRODUCT Properties

• Melting point: 22 °C
• Boiling point: 253 °C
• Density: 1.572 g/mL at 25 °C (lit.)
• refractive index: n 20/D 1.589 (lit.)
• Flash point: 57 °C - closed cup
• 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
• InChI: 1S/C6H3Cl3O2S/c7-5-2-1-4(3-6(5)8)12(9,10)11/h1-3H
• InChIKey: NYIBPWGZGSXURD-UHFFFAOYSA-N
• SMILES: Clc1ccc(cc1Cl)S(Cl)(=O)=O
• CAS DataBase Reference: 98-31-7(CAS DataBase Reference)
• EPA Substance Registry System: Benzenesulfonyl chloride, 3,4-dichloro- (98-31-7)

Description and Uses

3,4-Dichlorobenzenesulfonyl Chloride, fp 22.4℃, is manufactured from o-dichlorobenzene and chlorosulfuric acid; used as an inexpensive acylating agent.

3,4-Dichloro-benzenesulfonyl Chloride is a useful reagent for organic synthesis.

Safety

• Symbol(GHS): GHS02,GHS05
• Signal word: Danger
• Hazard statements: H226-H314
• Precautionary statements: P210-P233-P240-P280-P303+P361+P353-P305+P351+P338
• PPE: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
• Hazard Codes: C
• Risk Statements: 34
• Safety Statements: 26-27-28-36/37/39-45
• RIDADR: UN 2920 8/PG 2
• WGK Germany: 3
• Hazard Note: Corrosive/Moisture Sensitive
• TSCA: TSCA listed
• HazardClass: 8
• PackingGroup: II
• HS Code: 29049090
• Storage Class: 3 - Flammable liquids
• Hazard Classifications: Flam. Liq. 3; Skin Corr. 1B
• Limited Quantities: 1 Kg (2.2 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)