CAS 554-12-1: Methyl Propionate (C4H8O2)
Identity
| CAS Number | 554-12-1 |
| Molecular Formula | C4H8O2 |
| IUPAC Name | methyl propanoate |
| Molecular Weight | 88.11 g/mol |
| SMILES | CCC(=O)OC |
| Synonyms | propanoic acid methyl ester, methyl propanoate |
2D Structure
Physical Properties
| Density | 0.915 g/mL at 25°C |
| Boiling Point | 79.7°C |
| Melting Point | -87.5°C |
| Flash Point | -2°C |
| Vapor Pressure | 10.3 kPa at 20°C |
| Refractive Index | nD = 1.377 |
| Dielectric Constant | ε = 6.2 |
Safety & GHS Classification
FlammableIrritant
- H225: Highly flammable liquid and vapor
- H319: Causes serious eye irritation
- H335: May cause respiratory irritation
Storage: Store in a cool, dry, well-ventilated area. Keep away from ignition sources. Ground container during transfer.
Material Compatibility Matrix
Plastics
| Material | Rating |
|---|
| PTFE | Excellent |
| PVC | Fair |
| PE | Good |
| PP | Good |
| PEEK | Excellent |
| PVDF | Good |
Rubbers
| Material | Rating |
|---|
| Viton | Poor |
| NBR | Fair |
| EPDM | Excellent |
| Silicone | Fair |
| FKM | Fair |
Metals
| Material | Rating |
|---|
| Stainless 316 | Excellent |
| Aluminum | Excellent |
| Copper | Excellent |
| Brass | Excellent |
Applications
- Organic synthesis intermediate
- Flavor and fragrance agent
- Solvent for cellulose esters
- Plasticizer manufacturing
External References: PubChem
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