Comprehensive Guide to H Acid (CAS 90-20-0)
Table of Contents
- Product Overview
- Technical Specifications & Parameter Comparison
- Detailed Applications
- Usage Guidelines
- Industry Case Studies
- Real Client Success Stories
- Request Customized Solutions
1. Product Overview
H Acid (CAS 90-20-0), chemically known as 1-Amino-8-naphthol-3,6-disulfonic acid, is a crucial intermediate in dye manufacturing with the molecular formula C10H9NO7S2. This reddish-gray crystalline powder exhibits excellent solubility in alkaline solutions and water.
2. Technical Specifications & Comparison
| Parameter | H Acid (CAS 90-20-0) | Alternative Dye Intermediates |
|---|---|---|
| Purity | ≥98% | 90-95% |
| Sulfonation Degree | Double sulfonic groups | Single sulfonic group |
| Thermal Stability | Stable up to 200°C | Degrades at 150°C |
3. Industrial Applications
Primary applications include:
- Reactive Dyes: Key component in 65% of commercial textile dyes
- Pharmaceuticals: Intermediate for sulfa drug synthesis
- Paper Coloring: Acid-resistant coloring agent
4. Operational Guidelines
Optimal usage parameters:
| Application | Concentration | Temperature Range |
|---|---|---|
| Dye Synthesis | 15-20% w/w | 40-60°C |
| Pharma Use | Pharma-grade (99.5%) | Controlled room temp |
5. Industry Case Studies
Case 1: Textile Manufacturing
A Jiangsu-based dye producer achieved 23% cost reduction by optimizing H Acid concentration in their reactive dye formulations.
Case 2: Pharmaceutical Synthesis
Pharma company enhanced sulfa drug purity from 97.2% to 99.4% through precision-controlled H Acid integration.
6. Verified Client Implementations
| Client | Industry | Result |
|---|---|---|
| Guangzhou Textile Co., Ltd | Apparel Dyeing | 18% faster dye fixation |
| Shanghai PharmaTech | Drug Manufacturing | FDA compliance achieved |
7. Request Customized Solutions
Contact our chemical engineering team for:
- Bulk pricing (25kg-1MT quantities)
- Technical documentation (SDS, COA)
- Custom formulation support
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