CAS 141-78-6: Ethyl Acetate (C4H8O2)
Identity
| CAS Number | 141-78-6 |
| Molecular Formula | C4H8O2 |
| IUPAC Name | ethyl acetate |
| Molecular Weight | 88.11 g/mol |
| SMILES | CCOC(=O)C |
| Synonyms | ethyl ethanoate, acetic acid ethyl ester, EtOAc |
2D Structure
Physical Properties
| Density | 0.902 g/mL at 25°C |
| Boiling Point | 77.1°C |
| Melting Point | -83.6°C |
| Flash Point | -4°C |
| Vapor Pressure | 9.3 kPa at 20°C |
| Refractive Index | nD = 1.372 |
| Dielectric Constant | ε = 6.0 |
Safety & GHS Classification
FlammableIrritant
- H225: Highly flammable liquid and vapor
- H319: Causes serious eye irritation
- H336: May cause drowsiness or dizziness
Storage: Store in cool, dry, well-ventilated area. Keep container tightly closed. Ground and bond 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 | Severe Effect |
| EPDM | Good |
| Silicone | Fair |
| FKM | Poor |
Metals
| Material | Rating |
|---|
| Stainless 316 | Excellent |
| Aluminum | Excellent |
| Copper | Excellent |
| Brass | Excellent |
Applications
- Laboratory and industrial solvent
- Nail polish remover
- Decaffeination solvent
- Flavor and fragrance extraction
- HPLC mobile phase
External References: PubChem
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