4-(Chlorosulfonyl)phenyl isocyanate
4-(Chlorosulfonyl)phenyl isocyanate (CAS: 6752-38-1) is a reactive organic compound featuring both sulfonyl chloride and isocyanate functional groups. Its linear formula is ClSO2C6H4NCO, and it has a molecular weight of 217.63 g/mol. This dual functionality makes it a valuable intermediate in organic synthesis, particularly for creating complex molecules in the pharmaceutical and agrochemical industries. It is supplied by TSS with an assay of 97%.
- IUPAC
- 4-Isocyanatobenzenesulfonyl chloride
- Synonyms
- 4-Isocyanatobenzenesulfonyl chloride
Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates. The compound's reactive groups allow for the introduction of specific functionalities into target molecules.
Agrochemical Synthesis
Serves as a building block for the development of new pesticides, herbicides, and fungicides. Its structure facilitates the creation of novel agrochemical compounds with enhanced efficacy.
Organic Synthesis Reagent
A versatile reagent for introducing the 4-isocyanatobenzenesulfonyl moiety into various organic structures. This is useful for creating specialty chemicals and advanced materials.
| Molecular weight | 217.63 |
|---|---|
| Linear formula | ClSO2C6H4NCO |
| Assay | 97% |
| Boiling point | 130 °C/1 mmHg(lit.) |
| Melting point | 55-58 °C(lit.) |
Hazard statements
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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) | 34-36/37-42/43 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
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-(Chlorosulfonyl)phenyl isocyanate used for?
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4-(Chlorosulfonyl)phenyl isocyanate is primarily used as a reactive intermediate in organic synthesis, particularly for the preparation of pharmaceuticals and agrochemicals. Its dual functional groups (sulfonyl chloride and isocyanate) allow for diverse chemical modifications.
What is the CAS number and formula for 4-(Chlorosulfonyl)phenyl isocyanate?
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The CAS number is 6752-38-1 and the linear formula is ClSO2C6H4NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(Chlorosulfonyl)phenyl isocyanate with a minimum assay of 97%. This is a technical or research grade; TSS does not represent it as USP, BP, or EP grade.
How should 4-(Chlorosulfonyl)phenyl isocyanate be handled safely?
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This compound is corrosive and can cause severe skin burns and eye damage (H314). It may also cause an allergic skin reaction (H317) and respiratory irritation (H335). It is crucial to wear appropriate personal protective equipment, including eyeshields, face shields, chemical-resistant gloves, and respiratory protection (N100 or P3 filters), and to handle it in a well-ventilated area or fume hood.
Is 4-(Chlorosulfonyl)phenyl isocyanate subject to any special controls?
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The provided data does not indicate that 4-(Chlorosulfonyl)phenyl isocyanate is a controlled substance. However, users should always comply with local and international regulations regarding chemical handling and transport.
How is this chemical packed, shipped, and exported?
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4-(Chlorosulfonyl)phenyl isocyanate is shipped under UN 3261, Hazard Class 8, Packing Group II. TSS exports chemicals globally, adhering to all relevant shipping and customs regulations for hazardous materials.
How can I request a sample or quote for 4-(Chlorosulfonyl)phenyl isocyanate?
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To request a sample or quote, please contact the TSS sales team through the website or by phone, providing your contact details and the required quantity.
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