4-Chlorobenzenesulfonyl isocyanate
4-Chlorobenzenesulfonyl isocyanate (CAS: 5769-15-3), with the molecular formula ClC6H4SO2NCO and a molecular weight of 217.63 g/mol, is a reactive organic compound. It serves as a versatile building block in chemical synthesis, particularly for introducing the 4-chlorobenzenesulfonyl group. Its applications span various research and industrial chemical processes, contributing to the development of complex organic molecules.
Intermediate in Organic Synthesis
Utilised as a key intermediate in the synthesis of more complex organic compounds, particularly those containing the sulfonylurea or related functionalities. It allows for the precise introduction of the 4-chlorobenzenesulfonyl moiety into target molecules.
Reagent for Sulfonamide Formation
Reacts readily with amines to form sulfonamides, which are important structural motifs in pharmaceuticals and agrochemicals. This reaction is a cornerstone for building diverse chemical libraries.
Development of Novel Materials
Employed in research settings for the creation of novel organic materials, leveraging its reactive isocyanate group for polymerisation or functionalisation reactions.
| Molecular weight | 217.63 |
|---|---|
| Linear formula | ClC6H4SO2NCO |
| Assay | 97% |
| Boiling point | 121 °C/0.5 mmHg(lit.) |
| Density | 1.457 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.558(lit.) |
Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
- H332Harmful if inhaled
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 | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3265 8 / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 20/21/22-34 |
| Safety statements (S) | 26-27-36/37/39-45 |
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-Chlorobenzenesulfonyl isocyanate used for?
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4-Chlorobenzenesulfonyl isocyanate (CAS: 5769-15-3) is primarily used as a building block and intermediate in organic synthesis. It is particularly useful for introducing the 4-chlorobenzenesulfonyl group and for forming sulfonamides via reaction with amines.
What is the CAS number and formula for 4-Chlorobenzenesulfonyl isocyanate?
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The CAS number for 4-Chlorobenzenesulfonyl isocyanate is 5769-15-3, and its molecular formula is ClC6H4SO2NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chlorobenzenesulfonyl isocyanate with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the main hazards associated with 4-Chlorobenzenesulfonyl isocyanate?
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4-Chlorobenzenesulfonyl isocyanate is classified as dangerous. It is harmful if swallowed, in contact with skin, and if inhaled, and causes severe skin burns and eye damage (H302-H312-H314-H332). Appropriate personal protective equipment, including gloves, goggles, and respiratory protection, is essential.
How is 4-Chlorobenzenesulfonyl isocyanate packed and exported?
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4-Chlorobenzenesulfonyl isocyanate is packed according to international shipping regulations for hazardous materials and is exported globally by Tech Serve Solutions.
How can I request a quote or sample of 4-Chlorobenzenesulfonyl isocyanate?
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To request a quote or a sample of 4-Chlorobenzenesulfonyl isocyanate, please contact the Tech Serve Solutions sales team through our website or by phone.
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