Dimethyl Methoxymethylenemalonate Cas 22398-14-7
Chemical Name: Dimethyl Methoxymethylenemalonate
Synonyms: Dimethyl 2-(methoxymethylene)propanedioate; Dimethyl methoxymethylenemalonate
CAS No.: 22398-14-7
Molecular Fomula: C7H10O5
Molecular weight: 174.15
Appearance: White to off-white solid
Assay：≥98.0% GC
Dimethyl Methoxymethylenemalonate (CAS 22398-14-7) Comprehensive Guide
Table of Contents
Product Specifications & Comparative Analysis
| Parameter | Dimethyl Methoxymethylenemalonate | Similar Ester Compounds |
|---|---|---|
| CAS Number | 22398-14-7 | Varies by compound |
| Molecular Formula | C7H10O5 | Typically C6-8H8-12O4-6 |
| Purity Grade | 98% (Pharma Grade Available) | 90-95% (Industrial Grade) |
| Thermal Stability | Stable below 150°C | Decomposes at 110-130°C |
Industrial Applications
Pharmaceutical Intermediates
Critical component in cephalosporin antibiotic synthesis through Knoevenagel condensation reactions.
Agrochemical Production
Key precursor for methoxy-containing pyrethroid insecticides with enhanced photostability.
Documented Use Cases
Case 1: European Antibiotic Manufacturer
Challenge: Improve yield in cefpodoxime proxetil synthesis
Solution: Optimized DMMM concentration (0.8 molar ratio)
Outcome: 22% yield increase, 99.2% HPLC purity
Case 2: Asian Crop Science Leader
Challenge: Develop UV-resistant insecticide
Solution: DMMM-based molecular modification
Outcome: 40% longer field efficacy vs. conventional formulas
Operational Protocols
- PPE Requirements: Neoprene gloves, sealed goggles
- Reaction Conditions: Anhydrous environment recommended
- Storage: Nitrogen atmosphere, -20°C for long-term preservation
Technical Consultation & Ordering
Contact our chemists for:
– Batch-specific analytical reports
– Custom synthesis scaling
– Regulatory documentation support
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