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2-Naphthalenesulfonyl chloride
Also known as: 2-Naphthalenesulfonyl chloride · Naphthalene-2-sulfonyl chloride · 93-11-8 · 2-naphthalenesulphonyl chloride
- CAS No.
- 93-11-8
- Formula
- C10H7ClO2S
- Molar mass
- 226.68 g/mol
- PubChem CID
- 7125
Corrosive
Harmful / Irritant
Environmental hazard
Summary
2-Naphthalenesulfonyl chloride (C10H7ClO2S), CAS 93-11-8. Common in labs and industry. Read on for hazards, storage, PPE and mixing rules.
Background
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Hazards
Attacks skin, eyes and materials.
May cause skin, eye or respiratory irritation.
Toxic to aquatic organisms.
Hazard statements
- H314
- H315
- H411
Storage
Keep at room temperature, below 30 °C, out of direct heat.
Store somewhere well-ventilated and away from any ignition source.
Metal drums or tinted glass, tightly sealed.
Strong acids, strong bases and powerful oxidizers.
Personal protective equipment
Nitrile or butyl, at least 0.4 mm thick.
Safety goggles with side shields.
A2 organic-vapor cartridge if the room isn't well ventilated.
Occupational exposure limits (HSE)
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EU harmonised classification (ECHA C&L)
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Transport
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FDA recalls & enforcement
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Compatibilities
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Open comparator with 2-Naphthalenesulfonyl chloridePractical safety notes
- Corrosive. Wear chemical goggles, faceshield and chemical-resistant gloves. Have an eyewash within reach.
- Irritant / harmful. Ventilate the workspace and avoid skin contact.
- Environmental hazard. Do not release to sewers or waterways; collect for hazardous waste disposal.
Derived from the GHS classification shown above. These notes are generic guidance and do not replace the manufacturer's SDS or your local risk assessment.
FAQ
Is 2-Naphthalenesulfonyl chloride flammable?+
2-Naphthalenesulfonyl chloride (CAS 93-11-8) does not carry the GHS02 flame pictogram in our records. Always confirm with the manufacturer's SDS section 9 (flash point) before assuming a product is non-flammable.
What PPE should I wear when handling 2-Naphthalenesulfonyl chloride?+
Chemical-splash goggles and a faceshield, chemical-resistant gloves (nitrile or butyl) and an apron are the minimum. Ventilation should be sufficient to keep vapours below the occupational exposure limit. Check SDS section 8 for material-specific breakthrough times.
How should 2-Naphthalenesulfonyl chloride be stored?+
Store 2-Naphthalenesulfonyl chloride (CAS 93-11-8) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials. Segregate acids from bases and keep away from metals that can be attacked.
Is 2-Naphthalenesulfonyl chloride dangerous for the environment?+
Yes. 2-Naphthalenesulfonyl chloride carries the GHS09 environment pictogram. Do not release to drains, soil or waterways; collect residues for hazardous-waste disposal in line with local regulations.
Where can I find the official Safety Data Sheet for 2-Naphthalenesulfonyl chloride?+
Official, up-to-date SDS documents are published by each manufacturer (Sigma-Aldrich, Merck, Thermo Fisher, VWR, Carl Roth, etc.) and by regulators such as ECHA and NIOSH. This page is an educational summary and does not replace the manufacturer's SDS.
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