4-Chlorophenyl sulfoxide
4-Chlorophenyl sulfoxide (CAS: 3085-42-5) is a chemical compound with the molecular formula (ClC<sub>6</sub>H<sub>4</sub>)<sub>2</sub>SO and a molecular weight of 271.16. This sulfoxide derivative is a valuable building block in organic synthesis. Its structure, featuring two 4-chlorophenyl groups attached to a sulfur atom via an oxygen atom, makes it suitable for various chemical transformations in research and development settings.
- IUPAC
- Bis(4-chlorophenyl) sulfoxide
- Synonyms
- Bis(4-chlorophenyl) sulfoxide

Organic Synthesis Intermediate
4-Chlorophenyl sulfoxide serves as a versatile intermediate in the synthesis of more complex organic molecules. It can be employed in reactions requiring a sulfoxide functionality or as a precursor for introducing specific aryl groups.
Research and Development
This compound is utilised in laboratory settings for fundamental research and the exploration of novel chemical pathways. Its defined structure allows for predictable participation in various chemical reactions.
Building Block for Specialty Chemicals
The molecule can act as a foundational component for the development of specialty chemicals. Its reactivity profile is of interest for creating targeted compounds with specific properties.
| Molecular weight | 271.16 |
|---|---|
| Linear formula | (ClC6H4)2SO |
| Assay | 97% |
| Melting point | 141-144 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is 4-Chlorophenyl sulfoxide used for?
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4-Chlorophenyl sulfoxide is primarily used as an intermediate in organic synthesis and for research and development purposes, serving as a building block for specialty chemicals.
What is the CAS number and chemical formula for 4-Chlorophenyl sulfoxide?
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The CAS number for 4-Chlorophenyl sulfoxide is 3085-42-5 and its linear formula is (ClC<sub>6</sub>H<sub>4</sub>)<sub>2</sub>SO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chlorophenyl sulfoxide with an assay of 97%. This product is not represented as USP, BP, or EP grade.
How should 4-Chlorophenyl sulfoxide be handled safely?
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Safe handling of 4-Chlorophenyl sulfoxide requires wearing eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The compound is classified under WGK 2 in Germany.
How is 4-Chlorophenyl sulfoxide packed, shipped, and exported?
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4-Chlorophenyl sulfoxide is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a quote or sample for 4-Chlorophenyl sulfoxide?
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To request a quote or a sample of 4-Chlorophenyl sulfoxide, please contact the Tech Serve Solutions sales team via the website or direct enquiry channels.
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