Metanilic Acid Sodium Salt CAS 1126-34-7: Comprehensive User Guide

1. Product Overview & Specifications

Metanilic Acid Sodium Salt (CAS 1126-34-7) is a sulfonic acid derivative widely used in dyes, pharmaceuticals, and chemical synthesis. Below are its key specifications:

Comparative Analysis

2. Applications & Industrial Uses

2.1 Dye Intermediate

Used in synthesizing reactive dyes (e.g., Acid Red 88) for textiles, offering excellent lightfastness and wash resistance.

2.2 Pharmaceutical Synthesis

Serves as a precursor for sulfonamide drugs and anti-inflammatory agents. Critical in diazotization reactions.

2.3 Water Treatment

Acts as a corrosion inhibitor in cooling systems at 0.5–2.0 ppm concentrations.

3. Usage Guidelines & Case Studies

3.1 Textile Dye Production

Procedure: React 1 kg Metanilic Acid Sodium Salt with 2.5 L nitrobenzene at 80°C for 4 hours. Yield: 93%.

3.2 Drug Synthesis

Example: Synthesis of anti-inflammatory agent requires pH control at 6.5–7.0 during coupling reactions.

4. Client Success Stories

4.1 Global Dyestuff Solutions

Challenge: Improve dye color retention on polyester.
Solution: Incorporated 15% Metanilic Acid Sodium Salt in formulation.
Result: Washfastness increased from Grade 3 to Grade 5 (ISO 105-C06).

4.2 PharmaHealth Innovations

Challenge: Scale up sulfonamide antibiotic production.
Solution: Optimized diazotization using 99.5% purity product.
Result: Batch consistency improved by 40%, FDA approval achieved.

5. Contact for Custom Solutions

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