Naphthalene-2-Sulfonyl Chloride
Construction Chemicals

Naphthalene-2-Sulfonyl Chloride

CAS Number: 93-11-8

Formula C10H7ClO2S
Mol. Weight 226.68 g/mol
Purity ≥97.0%
Appearance White to pale yellow crystalline solid

Naphthalene-2-Sulfonyl Chloride is a reactive arylsulfonyl chloride intermediate used in the synthesis of naphthalene sulfonate-based superplasticisers, which are among the most widely used high-range water-reducing admixtures in concrete technology. It reacts with amines and alcohols to form sulfonamide and sulfonate derivatives with surfactant and dispersant properties essential to construction chemical applications. AB Enterprises supplies Naphthalene-2-Sulfonyl Chloride to specialty chemical manufacturers producing next-generation concrete admixtures and sulfonated naphthalene formaldehyde condensate superplasticisers. The compound's well-defined melting point and assay value support consistent use in sulfonation and condensation reactions. Proper handling precautions are required due to its reactive acyl chloride functionality.

Specifications

CAS Number 93-11-8
Molecular Formula C10H7ClO2S
Molecular Weight 226.68 g/mol
Appearance White to pale yellow crystalline solid
Assay / Purity ≥97.0%
Melting Point 75–79 °C
pH (1% solution) 1.0–3.0 (acidic on hydrolysis)
Storage Store in a sealed container in a cool, dry area away from moisture, bases, and alcohols
Packaging As per requirement

Packaging & Bulk Pricing

Volume-based pricing — larger quantities mean better rates


1 – 5 kg
Sample / Lab HDPE jar, sealed Ships in 1–2 days
25 – 100 kg
Bulk Bulk industrial pack / carboy Ships in 3–7 days
100+ kg
Contract / OEM Custom packaging Lead time on request

All prices are ex-works Mumbai. Freight, GST, and hazmat surcharges (if applicable) quoted separately.

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