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2,4-Difluorobenzaldehyde (CAS 1550-35-2): Comprehensive Technical Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 1550-35-2 |
| Molecular Formula | C7H4F2O |
| Molecular Weight | 142.10 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Purity | ≥99% |
2. Key Applications & Industrial Uses
This fluorinated benzaldehyde derivative serves as a critical intermediate in:
- Pharmaceutical synthesis (API production)
- Agrochemical manufacturing
- Liquid crystal materials development
- Specialty polymer production
3. Physical & Chemical Properties
| Property | Value |
|---|---|
| Density | 1.299 g/mL at 25°C |
| Melting Point | 2-3°C |
| Boiling Point | 65-66°C at 17 mmHg |
| Refractive Index | n20/D 1.498 |
4. Safety & Handling Protocols
GHS Classification: Flammable Liquid Category 3, Skin Irritant Category 2
Personal Protection: Use chemical-resistant gloves (Butyl rubber recommended), safety goggles, and proper ventilation
5. Storage & Transportation
- Store in sealed containers at 2-8°C
- UN Number: 1989
- Transportation Class: 3
6. Industry Case Studies
Pharmaceutical Intermediate Application
Used in synthesis of fluorinated COX-2 inhibitors, demonstrating excellent reaction yields (>85%) under optimized conditions.
Agrochemical Production
Key component in next-generation fluorinated pesticides with improved environmental stability.
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