4-Chloro-2-fluorobenzenesulfonyl chloride
4-Chloro-2-fluorobenzenesulfonyl chloride (CAS: 141337-26-0; Formula: ClC6H3(F)SO2Cl; MW: 229.06) is a key aryl fluorinated building block. It serves as a vital intermediate in organic synthesis, particularly for introducing the 4-chloro-2-fluorobenzenesulfonyl moiety into complex molecules. Its reactive sulfonyl chloride group makes it valuable for derivatization and the construction of novel chemical structures in research and development settings.
Organic Synthesis Intermediate
This compound is primarily used as a building block in multi-step organic syntheses. It enables the introduction of specific functional groups crucial for developing new chemical entities.
Pharmaceutical Research
It finds application in the synthesis of novel pharmaceutical candidates and drug discovery programs. The unique substitution pattern can influence biological activity.
Agrochemical Development
Used in the development of new agrochemical compounds, where its structural features may contribute to desired pesticidal or herbicidal properties.
Materials Science
Can be employed in the synthesis of specialised organic materials where its fluorinated aromatic structure imparts specific electronic or physical characteristics.
| Molecular weight | 229.06 |
|---|---|
| Linear formula | ClC6H3(F)SO2Cl |
| Assay | 97% |
| Melting point | 34-38 °C(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 | 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.
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-Chloro-2-fluorobenzenesulfonyl chloride used for?
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4-Chloro-2-fluorobenzenesulfonyl chloride is used as an intermediate in organic synthesis, particularly in pharmaceutical research, agrochemical development, and materials science for introducing the 4-chloro-2-fluorobenzenesulfonyl group into molecules.
What are the CAS number and formula for this compound?
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The CAS number is 141337-26-0 and the linear formula is ClC6H3(F)SO2Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with a minimum assay of 97%. We do not represent it as USP, BP, EP, or any other pharmacopoeia grade.
What are the primary safety hazards associated with this chemical?
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This compound is classified as Danger and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment including eyeshields, face shields, and gloves must be used, and it should be handled in a well-ventilated area or with respiratory protection.
How is 4-Chloro-2-fluorobenzenesulfonyl chloride packed, shipped, and exported?
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This product is packed according to relevant transport regulations, including UN 3261 for shipping. TSS exports globally, adhering to all international shipping and customs requirements.
How can I request a sample or a quote?
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To request a sample or a quote, please visit the product page on the TSS website and use the designated contact form or call our sales department.
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