disodium 3,6-dihydroxynaphthalene-2,7-disulphonate cas 7153-21-1

Assay: 98%
Appearance: Gray powder
Capacity: 1MT/month
Packaging: 25kg/Fibur drum
Sample: available
 
related documents:

COA of Disodium 3,6-dihydroxynaphthalene-2,7-disulphonate
TDS of Disodium 3,6-dihydroxynaphthalene-2,7-disulphonate

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Disodium 3,6-Dihydroxynaphthalene-2,7-Disulphonate Technical Specifications

Chemical Identification

Parameter Specification
CAS Number 7153-21-1
Molecular Formula C₁₀H₆Na₂O₈S₂
Molecular Weight 400.23 g/mol
Appearance Off-white crystalline powder
Solubility Water: ≥500 g/L (20°C)
Storage Conditions 2-8°C in airtight container

Comparative Analysis

Feature Our Product Standard Variants
Purity Level ≥99.8% 97-99%
Thermal Stability Stable up to 300°C Decomposes at 250°C
pH Tolerance 2-12 4-10

Industrial Applications & Functional Mechanisms

Primary Utilization Sectors

  • Dye Intermediate: Acts as crucial coupling component in azo dyes
  • Pharmaceutical Synthesis: Chelating agent in metal-catalyzed reactions
  • Analytical Chemistry: Fluorescent probe for metal ion detection

Operational Advantages

  • Superior sulfonation efficiency vs. naphthalene derivatives
  • Enhanced water solubility for homogeneous reactions
  • Low toxicity profile (LD50 >5000 mg/kg)

Technical Implementation Protocol

Recommended Formulation Process

  1. Prepare 0.1M aqueous solution at 40-50°C
  2. Maintain pH 6.5-7.5 during reaction phases
  3. Implement gradual temperature ramping (2°C/min)

Safety Handling Procedures

  • Use NIOSH-approved P2 respirators
  • Employ chemical-resistant gloves (Butyl rubber)
  • Implement local exhaust ventilation

Verified Industry Implementations

Case Study 1: Textile Dye Manufacturing

Parameter Details
Client Global Synthetic Dyes Inc.
Application Reactive dye intermediate synthesis
Result 18% yield improvement vs. previous formulation

Case Study 2: Pharmaceutical Intermediate Production

Parameter Details
Client EuroPharma Solutions
Application Metal ion chelation in API synthesis
Result 99.2% purity API achieved

Case Study 3: Analytical Chemistry Research

Parameter Details
Client National Chemistry Institute
Application Fluorescent sensor development
Result 0.1ppm detection limit for Cu²⁺

Performance Benchmarking Data

Parameter Disodium 3,6-DHD Naphthalene-2-sulfonate
Reaction Yield 92-95% 78-82%
Thermal Degradation 0.8%/hr at 200°C 3.2%/hr at 200°C

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