2,3-Pyridinedicarboxylic Anhydride: Technical Guide & Application Solutions
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | 2,3-Pyridinedicarboxylic Anhydride | Typical Anhydrides |
|---|---|---|
| CAS Number | 699-98-9 | Varies |
| Molecular Formula | C7H3NO3 | – |
| Molecular Weight | 149.10 g/mol | 120-180 g/mol |
| Melting Point | 137-139°C | 100-150°C |
| Density | 1.556 g/cm³ | 1.2-1.6 g/cm³ |
2. Functional Applications
Core Applications:
- Pharmaceutical intermediates for antidepressant synthesis
- Agrochemical precursor for fungicide production
- Metal chelating agent in analytical chemistry
- Polymer modification catalyst
Technical Advantages:
- High thermal stability (decomposition >300°C)
- Reactive anhydride group for efficient conjugation
- Broad solvent compatibility (DMF, acetonitrile)
3. Operational Guidelines
Handling Protocols:
- Storage: Maintain at 2-8°C in inert atmosphere
- Reaction Conditions: Use dry solvents under nitrogen
- Safety: Wear PPE (nitrile gloves, vapor respirator)
Quality Control Parameters:
- Purity: ≥98% (HPLC verified)
- Moisture Content: <0.5% (Karl Fischer)
- Heavy Metals: <10 ppm (ICP-MS)
4. Industry Use Cases
Pharmaceutical Synthesis:
Key intermediate in serotonin-norepinephrine reuptake inhibitor (SNRI) production
Agrochemical Development:
Core component in next-generation pyridine-based fungicides
5. Client Success Stories
Case 1: NeuroPharma Solutions
Challenge: Required high-purity intermediate for CNS drug development
Solution: Customized 99.5% purity batch production
Outcome: 22% yield improvement in final API synthesis
Case 2: AgroChem Global
Challenge: Needed stable anhydride for field-stable fungicide formulation
Solution: Optimized particle size distribution (D90 <50μm)
Outcome: Extended product shelf life by 18 months
6. Technical Consultation
Contact our chemistry experts for application support:
Email: info@vivalr.com
Tel: (86) 15866781826


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