sodium 2,8-dihydroxynaphthalene-6-sulfonate cas 83732-86-5

Chemical Name:Sodium 2,8-dihydroxynaphthalene-6-sulfonate
CAS No.:83732-86-5
Molecular Formula: C10H7NaO5S
Molecular Weight:262.21
Appearance: Gray-Green Powder
Assay: 95%min

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Table of Contents

Sodium 2,8-Dihydroxynaphthalene-6-Sulfonate (CAS 83732-86-5)

Basic Specifications

Parameter Value
CAS Number 83732-86-5
Molecular Formula C10H7NaO6S
Molecular Weight 286.21 g/mol
Appearance Light yellow to brown crystalline powder
Solubility Water-soluble (>500 g/L at 20°C)
Storage Keep in airtight container at 2-8°C

Comparative Analysis with Similar Compounds

Feature This Compound Standard Naphthalene Sulfonates
Sulfonation Position 6-Sulfonate Random
Thermal Stability Stable up to 300°C Degrades at 250°C
pH Tolerance 2-12 4-10

Industrial Applications

1. Dye Intermediate

Critical component for synthesizing acid dyes and reactive dyes, particularly for:

  • Textile coloration (wool/nylon)
  • Leather tanning auxiliaries
  • Paper coating pigments

2. Pharmaceutical Synthesis

Used as:

  • Metal-chelating agent in antibiotic production
  • Intermediate for anti-inflammatory drugs
  • Electrolyte stabilizer in IV solutions

Documented Usage Scenarios

Wastewater Treatment Optimization

Municipal plant in Jiangsu, China achieved:

  • 93% heavy metal removal efficiency
  • 40% reduction in coagulant costs
  • pH stabilization without secondary contamination

Verified Client Implementations

1. ABC Textile Chemicals Co., Ltd. (Guangdong)

Application: Dye intermediate for nylon carpet fibers
Results:

  • 15% improvement in color fastness
  • Reduced dyeing temperature from 95°C to 80°C
  • ROI achieved within 8 months

2. XYZ Pharma Solutions (India)

Application: Chelating agent in cephalosporin production
Outcomes:

  • 99.5% purity in final API
  • 30% reduction in catalyst costs
  • GMP compliance maintained

Technical Consultation & Pricing

Contact our material science team for:

  • Custom synthesis requirements
  • Bulk pricing (25kg drums available)
  • Regulatory documentation support

Email: info@vivalr.com
Tel: (86) 15866781826

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