3,3′-Dichlorobenzidine CAS 91-94-1

1. Product Overview & Technical Specifications

Chemical Name: 3,3′-Dichlorobenzidine
CAS Number: 91-94-1
Molecular Formula: C₁₂H₈Cl₂N₂
Molecular Weight: 253.11 g/mol
Appearance: Light gray to tan crystalline powder
Melting Point: 205-210°C
Solubility: Insoluble in water, soluble in organic solvents

Comparative Analysis Table

2. Industrial Applications & Market Demand

Dye & Pigment Manufacturing

• Primary intermediate for azo dyes (60% of global consumption)
• Key component in C.I. Pigment Yellow 12/13/83 series
• Used in printing inks with lightfastness >7 on ISO scale

Polymer Industry

• Cross-linking agent for polyurethane elastomers
• Enhances thermal stability up to 300°C in composites

Specialty Chemicals

• Precursor for liquid crystal materials (5-10% annual growth)
• Electrochromic device components

3. Handling & Regulatory Compliance

* Complies with EPA TSCA, EU REACH Annex XVII restrictions

4. Verified Client Implementations

Case 1: High-Performance Pigment Production

Client: Asian Specialty Chemicals Co., Ltd.
Application: Manufacture of C.I. Pigment Yellow 12
Result: Achieved 98.5% purity, reduced production costs by 18%

Case 2: Advanced Polymer Development

Client: European Materials Research Institute
Application: Heat-resistant aerospace composites
Result: Enhanced thermal stability by 40% vs. traditional agents

Case 3: Industrial Wastewater Analysis

Client: North American Environmental Services
Application: Detection of aromatic amines
Result: Achieved 0.1 ppm detection limits via HPLC analysis

5. Customized Procurement Solutions

Our supply chain advantages:

• Bulk quantities (25kg drums to metric ton shipments)
• Custom purity grades (98% to 99.9%)
• JIT delivery with temperature-controlled logistics

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