2-amino-5-hydroxynaphthalene-1,7-disulfonic acid cas 6535-70-2​

2-Amino-5-hydroxynaphthalene-1,7-disulfonic Acid (CAS 6535-70-2) Comprehensive Product Guide

1. Product Specifications & Comparative Analysis

2. Industrial Applications & Functional Properties

Primary Uses:

• Dye intermediate for acid dyes and reactive dyes
• Coupling agent in azo dye synthesis
• UV stabilizer in polymer formulations
• Biochemical research applications

3. Operational Guidelines & Best Practices

Handling Protocols:

• Storage: Maintain at 15-25°C in airtight containers
• Mixing: Use non-reactive stainless steel equipment
• pH Range: Optimize between 6.5-7.2 for maximum reactivity

4. Case Studies: Implementation Scenarios

Textile Dye Optimization:
Reduced dye aggregation by 42% in polyester blends through precise pH-controlled synthesis.

Plastic UV Protection:
Enhanced polymer UV resistance by 300+ hours in accelerated weathering tests.

5. Client Success Stories

Case 1: Zhejiang Dyestuffs Co., Ltd. (2023)
– Challenge: Inconsistent dye bath exhaustion rates
– Solution: Customized AHNDSA formulation
– Results: 18% improvement in dye uptake efficiency

Case 2: Guangdong Polymer Solutions (2024)
– Challenge: Premature polymer degradation
– Solution: 0.3% AHNDSA additive
– Results: Extended product lifecycle by 9 months

6. Procurement Consultation

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