4,5-Dichloro-3(2H)-Pyridazinone: Technical Guide for Industrial Applications
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | 4,5-Dichloro-3(2H)-Pyridazinone | Similar Derivatives |
|---|---|---|
| CAS Number | 932-22-9 | 26806-47-3, 933-76-6 |
| Molecular Formula | C4H2Cl2N2O | C11H5Cl2F3N2O (Derivative) |
| Molecular Weight | 177.0 g/mol | 179.0–309.1 g/mol |
| Purity | ≥98% | 98% (HPLC) |
| Storage | RT, dry environment | RT, sealed containers |
Key Advantage: Superior stability under ambient conditions compared to fluorinated derivatives (e.g., 26806-47-3).
2. Industrial Applications
Core Use Cases:
- Agrochemical Synthesis: Intermediate for herbicides (e.g., Norflurazon analogs) and fungicides.
- Pharmaceuticals: Building block for anti-inflammatory agents (e.g., Emorfazone intermediates).
- Electronics: Precursor in specialty polymer production.
Performance Advantages:
- High reactivity in nucleophilic substitution reactions
- Thermal stability up to 200°C
3. Operational Protocols
Recommended Workflow:
- Handle in controlled environments (humidity <40%)
- Use anhydrous solvents for optimal reaction yields
- Maintain pH 6–8 in aqueous systems
Safety Profile:
- LD50 (oral, rat): 1,250 mg/kg
- Non-flammable but requires PPE during handling
4. Client Success Stories
Case 1: Agrochemical Producer (Shanghai)
- Challenge: Needed cost-effective herbicide intermediate
- Solution: Custom synthesis at 99% purity
- Outcome: 30% production cost reduction
Case 2: Pharmaceutical Developer (Zhejiang)
- Challenge: Required GMP-grade intermediate
- Solution: Batch optimization for ICH stability standards
- Outcome: Successful FDA pre-approval inspection
5. Request Customized Solutions
Optimize your production with our technical expertise:
Email: info@vivalr.com
Tel: (86) 15866781826


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