2-Naphthalenesulfonyl chloride
2-Naphthalenesulfonyl chloride (CAS: 93-11-8, Formula: C10H7ClO2S) is a chemical intermediate with a molecular weight of 226.68 g/mol. It serves as a key building block in organic synthesis, particularly for the introduction of the 2-naphthalenesulfonyl group into various molecules. Its reactivity makes it valuable in the preparation of dyes, pharmaceuticals, and other specialty organic compounds.
Organic Synthesis Reagent
Used as a reagent for sulfonylation reactions, enabling the formation of sulfonate esters and sulfonamides. It is crucial for introducing the 2-naphthalenesulfonyl moiety into target molecules.
Dye Intermediate
Acts as a precursor in the synthesis of certain azo dyes and other colorants. Its structure contributes to the chromophoric system of the final dye molecule.
Pharmaceutical Synthesis
Employed in the preparation of pharmaceutical intermediates and active pharmaceutical ingredients (APIs). The naphthalenesulfonyl group can impart specific pharmacological properties.
| Molecular weight | 226.68 |
|---|---|
| Empirical formula | C10H7ClO2S |
| Assay | 99% |
| Boiling point | 147.7 °C/0.6 mmHg(lit.) |
| Melting point | 74-76 °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 2-Naphthalenesulfonyl chloride used for?
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2-Naphthalenesulfonyl chloride is primarily used as a reagent in organic synthesis for introducing the 2-naphthalenesulfonyl group, finding applications in the preparation of dyes, pharmaceuticals, and other organic compounds.
What is the CAS number and formula for 2-Naphthalenesulfonyl chloride?
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The CAS number is 93-11-8 and the molecular formula is C10H7ClO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Naphthalenesulfonyl chloride with an assay of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2-Naphthalenesulfonyl chloride be handled safely?
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2-Naphthalenesulfonyl chloride is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, face shields, chemical-resistant gloves, and respiratory protection (N100 or P3 filters), must be used. Handle in a well-ventilated area and avoid contact with skin, eyes, and clothing.
How is 2-Naphthalenesulfonyl chloride packed and shipped?
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This product is packed and shipped according to international regulations for hazardous materials, UN 3261, Class 8, Packing Group II.
How can I request a quote or sample?
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Please contact our sales department via the website or by phone to request a quote or sample of 2-Naphthalenesulfonyl chloride.
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