3-(Trifluoromethyl)benzenesulfonyl chloride
3-(Trifluoromethyl)benzenesulfonyl chloride (CAS: 777-44-6) is an organic chemical compound with the formula CF3C6H4SO2Cl and a molecular weight of 244.62 g/mol. This trifluoromethylated benzene derivative functions as a valuable building block in organic synthesis. It is commonly employed in chemical research and development for the preparation of more complex molecules, particularly those incorporating the trifluoromethylsulfonyl moiety.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of various organic compounds, leveraging the reactivity of the sulfonyl chloride group for derivatisation.
Pharmaceutical Research
Serves as a building block for the development of potential pharmaceutical agents, where the trifluoromethyl group can impart desirable properties.
Agrochemical Development
Employed in the research and synthesis of novel agrochemicals, contributing to the creation of compounds with specific biological activities.
| Molecular weight | 244.62 |
|---|---|
| Linear formula | CF3C6H4SO2Cl |
| Assay | 95% |
| Boiling point | 88-90 °C/6 mmHg(lit.) |
| Density | 1.526 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.485(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) | 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 3-(Trifluoromethyl)benzenesulfonyl chloride used for?
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3-(Trifluoromethyl)benzenesulfonyl chloride is primarily used as a building block in organic synthesis and in research for developing pharmaceuticals and agrochemicals.
What is the CAS number and chemical formula for 3-(Trifluoromethyl)benzenesulfonyl chloride?
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The CAS number is 777-44-6 and the chemical formula is CF3C6H4SO2Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-(Trifluoromethyl)benzenesulfonyl chloride with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should 3-(Trifluoromethyl)benzenesulfonyl chloride be handled?
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This compound is corrosive and causes severe skin burns and eye damage (H314). Handle with appropriate personal protective equipment, including gloves, goggles, face shield, and a suitable respirator. Ensure adequate ventilation.
How is 3-(Trifluoromethyl)benzenesulfonyl chloride packed, shipped, and exported?
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As a specialist global supplier, Tech Serve Solutions expertly packs, ships, and exports chemicals worldwide, adhering to all relevant transportation regulations for hazardous materials such as UN 3265, Class 8, PG II.
How can I request a quote or sample of 3-(Trifluoromethyl)benzenesulfonyl chloride?
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To request a quote or sample, please contact our sales team directly through our website or by phone.
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