2-Methyl Anthraquinone CAS 84-54-8

2-Methyl Anthraquinone (CAS 84-54-8) Technical Guide

Table of Contents

• Product Specifications & Comparative Analysis
• Industrial Applications
• Operational Guidelines
• Case Studies
• Client Success Stories
• Commercial Inquiry

1. Product Specifications & Comparative Analysis

2. Industrial Applications

This compound serves as a critical intermediate in:

• Synthesis of 1-chloro-2-anthraquinone carboxylic acid derivatives (methyl, ethyl, and benzyl esters)
• Production of vat dyes (e.g., Anthraquinone-based Vat Golden Orange G)
• Specialty chemical manufacturing for pharmaceutical intermediates

3. Operational Guidelines

Synthesis Protocol:
React toluene with anhydrous aluminum chloride at 45-50°C. Add phthalic anhydride gradually with external cooling. Post-reaction processing includes acid quenching, phase separation, and purification through sodium carbonate treatment.

Handling Precautions:
Use PPE for dust control. Store in sealed containers below 30°C. Incompatible with strong oxidizers.

4. Case Studies

Dye Manufacturing Optimization:
A European pigment producer achieved 18% yield improvement by implementing controlled chlorination at 85-90°C using iodine catalysis.

5. Client Success Stories

Case 1: Advanced Pharmaceutical Intermediates Co., Ltd. (China)
– Requirement: High-purity (>99.5%) material for antitumor drug synthesis
– Solution: Customized purification process reducing 3-chloro isomer content to <0.3%
– Outcome: 30% reduction in downstream purification costs

Case 2: Specialty Dyes Corporation (India)
– Challenge: Inconsistent dye coloration in textile applications
– Implementation: Batch consistency program with strict sulfonation control
– Result: Color uniformity improved from 82% to 96% across production lots

6. Commercial Inquiry

For technical specifications sheets or bulk pricing:
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