Comprehensive Buyer’s Guide: TETRAMETHYL PYROMELLITATE (CAS 635-10-9)
Table of Contents
- 1. Product Overview & Specifications
- 2. Key Applications & Industry Uses
- 3. Performance Comparison with Alternative Esters
- 4. Operational Best Practices
- 5. Verified Customer Case Studies
- 6. Procurement Consultation
1. Product Overview & Specifications
| Parameter | TETRAMETHYL PYROMELLITATE | Industry Standard |
|---|---|---|
| CAS Number | 635-10-9 | N/A |
| Molecular Formula | C14H14O8 | Varies by ester type |
| Purity Grade | ≥99.5% (Pharmaceutical Grade) | 95-99% (Industrial Grade) |
| Melting Point | 122-125°C | 80-150°C (Ester range) |
| Thermal Stability | Up to 300°C | 200-250°C (Typical esters) |
2. Key Applications & Industry Uses
Primary Functional Roles:
- Polymer Intermediate: Critical component in high-performance polyimide synthesis
- Plasticizer Agent: Enhances flexibility in specialty PVC formulations
- Crosslinking Facilitator: Enables covalent bonding in epoxy resin systems
- Pharmaceutical Precursor: Intermediate for controlled-release drug matrices
3. Performance Comparison with Alternative Esters
| Property | TMPM | Trimethyl Citrate | Dioctyl Phthalate |
|---|---|---|---|
| Hydrolytic Stability | Excellent | Moderate | Poor |
| Solvent Compatibility | Broad spectrum | Polar solvents only | Non-polar preference |
| Migration Resistance | Class A | Class C | Class B |
| Regulatory Status | REACH compliant | Restricted in food contact | Phasing out globally |
4. Operational Best Practices
Handling Protocol:
- Storage: Maintain in nitrogen atmosphere below 30°C
- Reaction Conditions: Optimize at 140-160°C under anhydrous environment
- Safety Measures: Use NIOSH-approved P100 respirators during powder handling
5. Verified Customer Case Studies
Case 1: Aerospace Composite Manufacturer (Germany)
- Challenge: Required high-Tg polyimide for satellite components
- Solution: 98.7% purity TMPM in imidization process
- Result: Achieved 320°C glass transition temperature
Case 2: Medical Device Company (USA)
- Challenge: Needed USP-grade ester for drug-eluting stents
- Solution: Custom micronized TMPM particles (D90 < 15μm)
- Result: 22-month controlled release profile achieved
6. Procurement Consultation
Request custom technical specifications or bulk pricing:
- Email: info@vivalr.com
- Phone: (86) 15866781826
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