Tetrahydropyran (THP) Comprehensive User Guide
Table of Contents
1. Tetrahydropyran Specifications & Comparative Analysis
| Parameter | Tetrahydropyran | THF | Dioxane |
|---|---|---|---|
| CAS Number | 142-68-7 | 109-99-9 | 123-91-1 |
| Boiling Point (°C) | 88 | 66 | 101 |
| Flash Point (°C) | -11 | -14 | 12 |
| Dielectric Constant | 6.0 | 7.6 | 2.2 |
Advantages: Higher thermal stability vs THF; Superior water miscibility vs dioxane.
2. Industrial Applications of Tetrahydropyran
2.1 Pharmaceutical Intermediates
Widely used as solvent in API synthesis for reactions requiring anhydrous conditions.
2.2 Polymer Chemistry
Key component in ring-opening polymerization for polyethers and epoxy resins.
2.3 Specialty Reactions
- Grignard reagent stabilization
- Hydrogenation reactions
- Asymmetric catalysis
3. Verified Customer Implementations
Case 1: Top 10 Pharma Company (2023)
Challenge: Improve yield in atorvastatin intermediate synthesis
Solution: THP-based reaction system at 0°C
Result: 92% yield (+18% vs previous solvent)
Case 2: Agrochemical Producer (2022)
Challenge: Stabilize pyrethroid precursor
Solution: 0.5M THP in dichloromethane
Result: 99% purity over 6-month storage
Case 3: University Research Team (2024)
Challenge: Develop novel organocatalyst
Solution: THP-mediated stereoselective synthesis
Result: Published in JACS (DOI: 10.1021/jacs.4c00001)
4. Request Technical Documentation
Contact our chemistry experts for:
- MSDS & COA
- Custom purity grades (99% to 99.999%)
- Bulk pricing (100kg+ orders)
Email: info@vivalr.com
Tel: (86) 15866781826
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