3-Chlorobenzenesulfonyl chloride
3-Chlorobenzenesulfonyl chloride (CAS: 2888-06-4; Formula: ClC6H4SO2Cl) is an organic chemical compound with a molecular weight of 211.07 g/mol. This sulfonyl halide serves as a valuable intermediate and building block in organic synthesis. It is primarily utilised in the chemical industry for the development of more complex molecules and speciality chemicals. Its reactive nature makes it a key component in various chemical transformations, contributing to the advancement of materials science and pharmaceutical research.

Organic Synthesis Intermediate
3-Chlorobenzenesulfonyl chloride is a crucial building block in organic chemistry. It is employed in the synthesis of various organic compounds, including pharmaceuticals and agrochemicals, due to the reactivity of the sulfonyl chloride group.
Reagent in Chemical Research
This compound functions as a versatile reagent in laboratory settings for introducing the 3-chlorobenzenesulfonyl group into other molecules. It is integral to research and development activities in academic and industrial laboratories.
Development of Speciality Chemicals
It is used in the production of speciality chemicals where its specific structural features and reactivity are advantageous. This contributes to the creation of novel materials and advanced chemical products.
| Molecular weight | 211.07 |
|---|---|
| Linear formula | ClC6H4SO2Cl |
| Assay | 97% |
| Boiling point | 102-104 °C/1 mmHg(lit.) |
| Density | 1.499 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.568(lit.) |

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 | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 2 |
| 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 3-Chlorobenzenesulfonyl chloride used for?
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3-Chlorobenzenesulfonyl chloride is primarily used as an intermediate and building block in organic synthesis, and as a reagent in chemical research for creating more complex molecules and speciality chemicals.
What is the CAS number and chemical formula for 3-Chlorobenzenesulfonyl chloride?
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The CAS number for 3-Chlorobenzenesulfonyl chloride is 2888-06-4, and its chemical formula is ClC6H4SO2Cl.
What grade and purity does Tech Serve Solutions supply for 3-Chlorobenzenesulfonyl chloride?
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Tech Serve Solutions supplies 3-Chlorobenzenesulfonyl chloride with a minimum assay of 97%. This product is suitable for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
How should 3-Chlorobenzenesulfonyl chloride be handled safely?
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3-Chlorobenzenesulfonyl chloride is classified as corrosive, causing severe skin burns and eye damage (H314). Handling requires appropriate personal protective equipment, including face shields, goggles, gloves, and a suitable respirator. Always refer to the Safety Data Sheet for detailed handling procedures.
Does Tech Serve Solutions export 3-Chlorobenzenesulfonyl chloride?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 3-Chlorobenzenesulfonyl chloride, serving clients worldwide.
How can I request a quote or sample of 3-Chlorobenzenesulfonyl chloride?
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To request a quote or sample for 3-Chlorobenzenesulfonyl chloride, please contact our sales department through the website or by phone, providing your specific requirements.
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