Diketene
acetyl ketene, 4-methylene-2-oxetanone, but-3-en-3-olide
Diketene
Formula: C4H4O2 | CAS: 674-82-8
Synonyms: acetyl ketene, 4-methylene-2-oxetanone, but-3-en-3-olide
Specification
| Specification | Value/Information |
|---|---|
| Formula | C4H4O2 |
| CAS no. | 674-82-8 |
| Gas Response Factor, 11.7 eV | 1.4 |
| Gas Response Factor, 10.6 eV | 2.2 |
| Gas Response Factor, 10.0 eV | NA |
| ppm per mg/m⁻³, (20 °C, 1 bar) | 0.267 |
| Molecular Weight, g/mole | 84.0 |
| Specification | Value/Information |
|---|---|
| Melting point, °C | -6.5 |
| Boiling point, °C | 127.4 |
| Flash point, °C | 34.4 |
| Lower Explosive Limit, % | 2.5 |
| Density, g.cm⁻³ | 1.09 |
| Ionisation Energy, eV | 9.6 |
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