3,3-Dimethylallyl Bromide (CAS 870-63-3): Comprehensive Technical Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | 3,3-Dimethylallyl bromide (1-Bromo-3-methyl-2-butene) |
| CAS Number | 870-63-3 |
| Molecular Formula | C5H9Br |
| Molecular Weight | 149.029 g/mol |
| Density | 1.3±0.1 g/cm³ |
| Boiling Point | 132.6±0.0°C (760 mmHg) |
| Flash Point | 32.8±0.0°C |
| Purity Grade | ≥98% (Technical Grade) |
2. Key Applications & Industrial Uses
Core Functional Groups:
- 3,3-Dimethylallyl group donor
- Isoprenoid unit precursor
Primary Applications:
- Pharmaceutical Intermediates: Critical for synthesizing modified nucleosides and antiviral compounds
- Agrochemical Production: Key building block in pesticide formulations
- Organic Synthesis:
- Alkylation reactions
- Cross-coupling reactions
- Polymer modification
- Biochemical Research: Precursor for isoprenoid-containing biomolecules
3. Performance Comparison
| Feature | 3,3-Dimethylallyl Bromide | Standard Allyl Bromides |
|---|---|---|
| Reaction Efficiency | High (steric effects enhance selectivity) | Moderate |
| Thermal Stability | Stable below 40°C | Requires refrigeration |
| Storage Requirements | Ambient (sealed container) | Refrigerated |
| Shelf Life | 24 months | 12 months |
4. Operational Best Practices
Handling Protocols:
- Use in well-ventilated areas (fume hood recommended)
- Employ chemical-resistant gloves (nitrile or neoprene)
- Store in amber glass containers under nitrogen atmosphere
Reaction Optimization:
- Ideal temperature range: 0-25°C
- Recommended solvents: THF, DCM, or ethyl acetate
- Typical reaction time: 2-6 hours
5. Verified Application Cases
Case Study 1: Antiviral Drug Intermediate Synthesis
Client: European Pharma Research Center
Application: Production of nucleoside analogs for hepatitis C treatment
Result: 18% yield improvement vs. traditional methods
Case Study 2: Crop Protection Formulation
Client: Asian Agrochemical Manufacturer
Application: Synthesis of next-generation fungicide
Result: 40% reduction in byproduct formation
6. Contact for Technical Support
For formulation assistance or bulk pricing:
Technical Team: info@vivalr.com
Direct Line: (86) 15866781826
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