Tech Serve Solutions

3,5-Dichlorobenzenesulfonyl chloride

CAS 705-21-5Cl2C6H3SO2ClChemical Synthesis

3,5-Dichlorobenzenesulfonyl chloride (CAS: 705-21-5) is an organosulfur compound with the linear formula Cl2C6H3SO2Cl and a molecular weight of 245.51 g/mol. This reactive sulfonyl chloride serves as a valuable building block in organic synthesis. It is primarily utilised in the chemical industry for the preparation of various organic intermediates and specialised compounds.

Synonyms
Cl2C6H3SO2Cl
Email us
3,5-Dichlorobenzenesulfonyl chloride (Cl2C6H3SO2Cl) — chemical structure, CAS 705-21-5; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksChemical SynthesisOrganic Building BlocksSulfonyl HalidesSulfur Compounds
01 /Applications

Organic Synthesis Reagent

Utilised as a key intermediate in the synthesis of complex organic molecules. Its reactive sulfonyl chloride group readily participates in reactions with nucleophiles.

Building Block for Pharmaceuticals

Serves as a foundational component in the development pathways for potential pharmaceutical agents. The dichloro-substituted benzene ring offers specific structural characteristics.

Chemical Research

Employed in academic and industrial research laboratories for the exploration of new chemical entities and reaction methodologies.

02 /Properties
Molecular weight245.51
Linear formulaCl2C6H3SO2Cl
Assay97%
Melting point32-35 °C(lit.)
03 /Safety & handling
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
Danger

Hazard statements

  • H314Causes severe skin burns and eye damage

Precautionary statements

  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
  • P310Immediately call a POISON CENTER or doctor
Protective equipmentEyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Transport (UN / ADR)UN 1759 8 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)C
Risk statements (R)34
Safety statements (S)26-36/37/39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
705-21-5
MDL number
MFCD00051698
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 3,5-Dichlorobenzenesulfonyl chloride used for?

+

3,5-Dichlorobenzenesulfonyl chloride is primarily used as a building block and reagent in organic synthesis for the preparation of various chemical intermediates and organic compounds.

What is the CAS number and formula for 3,5-Dichlorobenzenesulfonyl chloride?

+

The CAS number is 705-21-5 and the linear formula is Cl2C6H3SO2Cl.

What grade and purity does Tech Serve Solutions supply?

+

Tech Serve Solutions supplies 3,5-Dichlorobenzenesulfonyl chloride with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.

How should 3,5-Dichlorobenzenesulfonyl chloride be handled?

+

This compound is classified as Danger, causing severe skin burns and eye damage (H314). Handling requires appropriate personal protective equipment, including eyeshields, face shields, gloves, and a suitable respirator. Ensure adequate ventilation.

Is 3,5-Dichlorobenzenesulfonyl chloride packed and shipped internationally?

+

Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 3,5-Dichlorobenzenesulfonyl chloride, adhering to international shipping regulations (UN 1759, Class 8, Packing Group II).

How can I request a sample or quote for 3,5-Dichlorobenzenesulfonyl chloride?

+

Please contact our sales department via the website or direct inquiry to request a sample or obtain a quotation for 3,5-Dichlorobenzenesulfonyl chloride.

Need 3,5-Dichlorobenzenesulfonyl chloride in a specific grade or volume?