4-Chlorophthalic anhydride CAS 118-45-6

4-Chlorophthalic Anhydride CAS 118-45-6: Comprehensive Product Guide

Table of Contents

• Product Overview & Specifications
• Applications & Industrial Uses
• Usage Guidelines & Best Practices
• Case Studies
• Client Success Stories
• Request a Quote

1. Product Overview & Specifications

CAS Number: 118-45-6
Molecular Formula: C₈ClO₃
Molecular Weight: 184.56 g/mol
Appearance: White to off-white crystalline powder
Melting Point: 105-108°C
Solubility: Soluble in acetone, DMF; slightly soluble in water.

Comparative Analysis

2. Applications & Industrial Uses

Key Industries Served

• Polymer Industry: Intermediate for heat-resistant polyesters and epoxy curing agents.
• Agrochemicals: Synthesis of chlorinated pesticide precursors.
• Pharmaceuticals: Building block for active pharmaceutical ingredients (APIs).
• Dyes & Pigments: Production of color-stable organic dyes.

3. Usage Guidelines & Best Practices

Handling Precautions

• Store in airtight containers at 15-25°C
• Use PPE (gloves, goggles) during handling
• Incompatible with strong oxidizing agents

4. Case Studies

Case 1: High-Temperature Resin Development

A European chemical manufacturer achieved 20% higher thermal stability in epoxy resins by substituting 15% standard anhydride with 4-chlorophthalic anhydride.

Case 2: Herbicide Synthesis Optimization

An Indian agrochemical company reduced reaction time by 35% in chlorinated herbicide production through optimized stoichiometry using 4-chlorophthalic anhydride.

5. Client Success Stories

ABC Polymers Ltd. (South Korea)

Challenge: Needed halogenated compound for UL94 V-0 compliant materials.
Solution: Incorporated 4-chlorophthalic anhydride at 8% w/w in polymer matrix.
Result: Achieved flame-retardant certification while maintaining mechanical strength.

AgroChem Solutions Inc. (Brazil)

Challenge: Required cost-effective chlorination agent for new herbicide line.
Solution: Implemented 4-chlorophthalic anhydride in cyclization reactions.
Result: Reduced production costs by $12/ton while increasing yield by 18%.

6. Request a Quote

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