4-(2-Chlorophenoxy)benzenesulfonyl chloride
4-(2-Chlorophenoxy)benzenesulfonyl chloride (CAS: 610277-84-4; C12H8Cl2O3S) is a chemical compound with a molecular weight of 303.16 g/mol. It functions primarily as a building block in organic synthesis. This compound is typically supplied at an assay of 95% and is employed in chemical research and development for the creation of more complex molecules.

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of various organic compounds. Its reactive sulfonyl chloride group allows for facile derivatization in multistep synthetic pathways.
Chemical Research and Development
Utilised in research laboratories for exploring novel chemical reactions and developing new materials. Its structure lends itself to the introduction of specific functional groups into target molecules.
Building Block for Complex Molecules
Acts as a fundamental building block in the construction of complex organic architectures. Its utility is particularly noted in academic and industrial research settings.
| Molecular weight | 303.16 |
|---|---|
| Empirical formula | C12H8Cl2O3S |
| Assay | 95% |
| Melting point | 89-94 °C |


Hazard statements
- H314Causes severe skin burns and eye damage
- H370Causes damage to organs
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| 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.
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-(2-Chlorophenoxy)benzenesulfonyl chloride used for?
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4-(2-Chlorophenoxy)benzenesulfonyl chloride is primarily used as a building block and intermediate in organic synthesis and chemical research and development.
What are the CAS number and molecular formula for this compound?
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The CAS number is 610277-84-4 and the molecular formula is C12H8Cl2O3S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(2-Chlorophenoxy)benzenesulfonyl chloride with an assay of 95%. We do not represent this product as meeting USP, BP, EP, or any pharmacopoeia standards.
How should 4-(2-Chlorophenoxy)benzenesulfonyl chloride be handled?
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This compound is classified as Danger, causing severe skin burns and eye damage (H314) and may cause damage to organs (H370). Handle with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet for detailed handling instructions.
How is this chemical packed and shipped?
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This chemical is shipped according to international transport regulations (UN 3261, Class 8, Packing Group II). TSS ensures that all shipments comply with relevant export and import laws.
How can I request a sample or quote for 4-(2-Chlorophenoxy)benzenesulfonyl chloride?
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To request a sample or quote, please use the contact form on our website or call our sales department, referencing the product name and CAS number.
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