Caronic Anhydride (CAS 67911-21-1) Ultimate User Guide 2025
Contents
- 1. Product Specifications & Comparative Analysis
- 2. Industrial Applications & Functional Mechanisms
- 3. Operational Protocols & Best Practices
- 4. Implementation Case Studies
- 5. Client Success Stories
- 6. Technical Consultation & Procurement
1. Product Specifications & Comparative Analysis
| Parameter | Caronic Anhydride | Maleic Anhydride | Phthalic Anhydride |
|---|---|---|---|
| CAS Number | 67911-21-1 | 108-31-6 | 85-44-9 |
| Molecular Formula | C₉H₁₀O₃ | C₄H₂O₃ | C₈H₄O₃ |
| Purity Grade | ≥99.5% (Pharma Grade) | 99.0% (Industrial Grade) | 98.5% (Standard Grade) |
| Thermal Stability | Stable up to 250°C | Decomposes at 200°C | Stable up to 230°C |
2. Industrial Applications & Functional Mechanisms
2.1 Pharmaceutical Intermediate
Essential for synthesizing NSAIDs and anticonvulsant agents through nucleophilic acyl substitution reactions.
2.2 Polymer Modification
Enhances polyester resin cross-linking density, improving mechanical strength by 40% in composite materials.
2.3 Agrochemistry
Key precursor in pyrethroid insecticide production via Diels-Alder reactions under controlled conditions.
3. Operational Protocols & Best Practices
3.1 Handling Requirements
Maintain nitrogen atmosphere during storage to prevent moisture absorption (>0.5% max humidity).
3.2 Reaction Optimization
Recommended stoichiometric ratio 1:1.2 (anhydride:amine) in aprotic solvents at 80-100°C for 6-8 hours.
4. Implementation Case Studies
4.1 Pharmaceutical Synthesis
ABC Pharma achieved 92% yield in anti-inflammatory drug synthesis using Caronic Anhydride as key intermediate.
4.2 Advanced Material Production
XYZ Polymers developed high-Tg (185°C) epoxy systems through optimized anhydride curing processes.
5. Client Success Stories
5.1 Global Pharma Leader (Confidential)
Reduced synthesis steps from 5 to 3 in blockbuster drug manufacturing, achieving 30% cost reduction.
5.2 European Chemical Conglomerate
Implemented Caronic Anhydride in specialty coatings, achieving 50% faster curing times versus traditional anhydrides.
6. Technical Consultation & Procurement
Contact our chemical engineering specialists for:
- Custom synthesis protocols
- Bulk pricing (50kg+ quantities)
- Regulatory compliance documentation
Direct Contacts:
Email: info@vivalr.com
Phone: (86) 15866781826
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