3,4-Dichlorobenzylsulfonyl chloride

CAS 85952-30-3C7H5Cl3O2SChemical Synthesis

3,4-Dichlorobenzylsulfonyl chloride (CAS: 85952-30-3) is an organic compound with the empirical formula C7H5Cl3O2S and a molecular weight of 259.54 g/mol. As a sulfonyl halide, it serves as a valuable building block in chemical synthesis. This compound is primarily utilised in organic synthesis and the development of new chemical entities. It is supplied by Tech Serve Solutions with an assay of 97%.

IUPAC: (3,4-Dichlorophenyl)methanesulfonyl chloride,3,4-Dichlorobenzenemethanesulfonyl chloride,3,4-Dichloro-α-toluenesulfonyl chloride
Synonyms: C7H5Cl3O2S(3,4-Dichlorophenyl)methanesulfonyl chloride3,4-Dichlorobenzenemethanesulfonyl chloride3,4-Dichloro-α-toluenesulfonyl chloride

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3,4-Dichlorobenzylsulfonyl chloride (C7H5Cl3O2S) — chemical structure, CAS 85952-30-3; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisOrganic Building BlocksSulfonyl HalidesSulfur Compounds

01 /Applications

Organic Synthesis Intermediate

3,4-Dichlorobenzylsulfonyl chloride is employed as a key intermediate in the synthesis of complex organic molecules. Its reactive sulfonyl chloride group allows for facile derivatization in multi-step synthetic routes.

Building Block for Specialty Chemicals

This compound functions as a foundational building block in the creation of specialty chemicals. Its structure can be incorporated into a variety of target molecules, offering pathways to novel chemical structures.

Research and Development

Utilised in research laboratories for the exploration of new chemical reactions and the development of novel compounds. Its specific reactivity profile makes it a useful reagent for synthetic chemists.

02 /Properties

Molecular weight	259.54
Empirical formula	C7H5Cl3O2S
Assay	97%
Melting point	65-69 °C

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 equipment	Eyeshields, 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 3261 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

85952-30-3

MDL number

MFCD01631929

PubChem substance

24885439

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 3,4-Dichlorobenzylsulfonyl chloride used for?

3,4-Dichlorobenzylsulfonyl chloride (CAS: 85952-30-3) is primarily used as a building block and intermediate in organic synthesis and chemical research for developing new chemical entities and specialty chemicals.

What are the CAS number and empirical formula for 3,4-Dichlorobenzylsulfonyl chloride?

The CAS number for 3,4-Dichlorobenzylsulfonyl chloride is 85952-30-3, and its empirical formula is C7H5Cl3O2S.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 3,4-Dichlorobenzylsulfonyl chloride with an assay of 97%. This is a technical grade, and TSS does not represent it as USP, BP, or EP grade.

How should 3,4-Dichlorobenzylsulfonyl chloride be handled safely?

This compound is classified as Danger, with hazard statement H314 (Causes severe skin burns and eye damage). Appropriate personal protective equipment including eyeshields, face shields, gloves, and respiratory protection (e.g., N100 or P3 filters) must be used. Handle with extreme care in a well-ventilated area.

How is 3,4-Dichlorobenzylsulfonyl chloride packed and exported?

3,4-Dichlorobenzylsulfonyl chloride is packed in compliance with UN 3261, 8/PGII regulations for safe transportation and export.

How can I request a sample or quote for 3,4-Dichlorobenzylsulfonyl chloride?

Please contact our sales team or use the online enquiry form to request a sample or a quote for 3,4-Dichlorobenzylsulfonyl chloride. Details for international export are available upon request.