3,4-Dichlorobenzenesulfonyl chloride
3,4-Dichlorobenzenesulfonyl chloride (CAS: 98-31-7) is a key organic building block with the molecular formula Cl2C6H3SO2Cl and a molecular weight of 245.51 g/mol. This compound, identifiable by its refractive index of n20/D 1.589, is primarily utilised in chemical synthesis for the creation of more complex molecules. Its reactivity makes it a valuable intermediate in various research and industrial applications.
- Synonyms
- Cl2C6H3SO2Cl
Chemical Synthesis Intermediate
Serves as a crucial intermediate in organic synthesis, enabling the introduction of the 3,4-dichlorobenzenesulfonyl group into target molecules. It is employed in the preparation of pharmaceuticals, agrochemicals, and speciality chemicals.
Reagent in Organic Reactions
Utilized as a reagent in various chemical transformations, including sulfonamide and sulfonate ester formation. Its specific structure allows for targeted reactions in complex synthetic pathways.
Research and Development
A valuable compound for R&D laboratories exploring new synthetic routes and novel chemical entities. Its availability facilitates the exploration of structure-activity relationships.
| Molecular weight | 245.51 |
|---|---|
| Linear formula | Cl2C6H3SO2Cl |
| Assay | 95% |
| Boiling point | 253 °C(lit.) |
| Density | 1.572 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.589(lit.) |
Hazard statements
- H226Flammable liquid and vapour
- 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 | 57 °C / 134.6 °F |
| Transport (UN / ADR) | UN 2920 3(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| 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 3,4-Dichlorobenzenesulfonyl chloride used for?
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3,4-Dichlorobenzenesulfonyl chloride (CAS: 98-31-7) is primarily used as a building block and intermediate in chemical synthesis for the development of pharmaceuticals, agrochemicals, and other speciality organic compounds.
What are the CAS number and molecular formula for 3,4-Dichlorobenzenesulfonyl chloride?
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The CAS number for 3,4-Dichlorobenzenesulfonyl chloride is 98-31-7. Its molecular formula is Cl2C6H3SO2Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4-Dichlorobenzenesulfonyl chloride with an assay of 95%. This product is intended for research and chemical synthesis purposes and is not supplied as USP, BP, or EP grade.
What are the primary safety concerns when handling 3,4-Dichlorobenzenesulfonyl chloride?
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3,4-Dichlorobenzenesulfonyl chloride is classified as Danger (GHS02, GHS05) and causes severe skin burns and eye damage (H314). It is also flammable (H226). Appropriate personal protective equipment, including face shields, gloves, and respirators, must be worn during handling, and it should be used in a well-ventilated area.
How is 3,4-Dichlorobenzenesulfonyl chloride shipped and exported?
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This compound is shipped and exported in accordance with international regulations for hazardous materials. It is classified under UN 2920, Hazard Class 3(8), Packing Group II.
How can I request a quote or sample for 3,4-Dichlorobenzenesulfonyl chloride?
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To request a quote or a sample of 3,4-Dichlorobenzenesulfonyl chloride, please use the contact form on our website or reach out to our sales team directly.
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