3-Methylthiophene (CAS 616-44-4) Technical Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 616-44-4 |
| Molecular Formula | C5H6S |
| Molecular Weight | 98.17 g/mol |
| Appearance | Pale brown to colorless liquid |
| Purity | ≥99% |
| Density | 1.016 g/mL at 25°C |
| Boiling Point | 114-115°C at 738 mmHg |
| Flash Point | 11°C (52°F) |
| Storage Conditions | 2-8°C in sealed containers, away from ignition sources |
2. Key Applications
Pharmaceutical Intermediates
Widely utilized in synthesizing active pharmaceutical ingredients (APIs) for antihypertensive drugs and central nervous system medications.
Agrochemical Synthesis
Essential precursor for developing advanced crop protection agents and herbicide intermediates.
Material Science
Used in polymer modification and conductive material research due to its electron-rich thiophene ring structure.
3. Operational Guidelines
Recommended Equipment
- Chemical-resistant gloves (Butyl rubber/Nitrile)
- Vapor-tight goggles
- Explosion-proof ventilation systems
Reaction Conditions
- Optimal temperature range: 20-40°C
- Inert atmosphere recommended for sensitive reactions
- Max concentration in solution: 15% (v/v)
4. Safety & Handling Protocols
| Hazard | Preventive Measure |
|---|---|
| Flammability (Class IB) | Ground all equipment, use intrinsically safe tools |
| Health Risks (Oral LD50 1800 mg/kg) | Implement closed-system processing |
| Environmental Impact | Contain spillage with non-combustible absorbents |
Emergency Response
- Fire: Use alcohol-resistant foam or CO2 extinguishers
- Spill: Evacuate 50m radius, contain with sand/vermiculite
5. Industry Use Cases
Case Study 1: Cardiovascular Drug Development
Client: Leading European Pharma Company
Application: Key intermediate in novel angiotensin II receptor blocker synthesis
Outcome: Achieved 92% reaction yield under optimized conditions
Case Study 2: Advanced Herbicide Production
Client: Global Agrochemical Manufacturer
Application: Precursor for sulfonylurea-based herbicides
Outcome: Enabled 30% cost reduction in production process
6. Contact for Technical Support
For material safety data sheets (MSDS), custom synthesis inquiries, or bulk pricing:
Email: info@vivalr.com
Tel: (86) 15866781826
Request product samples or schedule a technical consultation with our chemistry experts.
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