4,5-Dimethylthiazole (CAS 3581-91-7) Ultimate Buyer’s Guide 2025
Table of Contents
1. Technical Specifications & Comparative Analysis
| Parameter | 4,5-Dimethylthiazole | Similar Thiazoles |
|---|---|---|
| CAS Number | 3581-91-7 | N/A |
| Molecular Formula | C5H7NS | Varies by compound |
| Purity Grade | ≥98% (Pharma Grade Available) | Typically 95-99% |
| Boiling Point | 150-152°C | 145-160°C range |
| Density | 1.07 g/cm³ | 1.02-1.12 g/cm³ |
2. Industrial Applications
Pharmaceutical Intermediates
Critical component in synthesis of:
- Antibiotic derivatives
- Neurological agents
- Anticancer drug precursors
Agrochemical Formulations
- Key intermediate for fungicides
- Plant growth regulator synthesis
- Pesticide stabilizers
Flavor & Fragrance Industry
- Essential component in meaty flavors
- Roasted/smoked aroma formulations
- High-value fragrance additives
3. Operational Protocols
Storage Requirements
- Temperature: -20°C to 4°C
- Atmosphere: Nitrogen-sealed containers
- Shelf Life: 24 months unopened
Safety Protocols
- PPE Requirements: Chemical goggles, nitrile gloves
- Ventilation: Mandatory fume hood usage
- Spill Management: Absorb with inert material
4. Verified Application Cases
Case 1: Pharmaceutical Intermediate Production
Client: European API Manufacturer
Application: Cephalosporin antibiotic intermediate
Result: 18% yield improvement vs previous synthesis route
Case 2: Agrochemical Development
Client: Asian Crop Science Co.
Application: Systemic fungicide formulation
Result: 40% broader antifungal spectrum coverage
Case 3: Flavor Enhancement
Client: North American Food Additives Co.
Application: Smoked meat flavor enhancement
Result: 90% reduction in off-flavors
5. Supplier Inquiry & Technical Support
For technical specifications sheets, bulk pricing, or custom synthesis requirements:
Email: info@vivalr.com
Phone: (86) 15866781826
Request Form Information Requirements:
- Required purity grade
- Target application sector
- Required packaging specifications
- Project timeline



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