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| Butyraldehyde | |
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| IUPAC name | butyraldehyde |
| Systematic name | butanal |
| Molecular formula | C4H8O |
| Molar mass | 72.11 g/mol |
| CAS number | [123-72-8] |
| Density | 0.8 g/ml |
| Solubility | 7 g/100 ml |
| Melting point |
−99 °C |
| Boiling point |
74.8 °C |
| SMILES |
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| Hazards | |
| EU classification | Flammable (F) |
| EU Index | 605-006-00-2 |
| NFPA 704 |
 3
3
2
|
| R-phrases | R11 |
| S-phrases | (S2), S9, S29, S33 |
| Flash point | −7 °C |
| Autoignition temperature |
230 °C |
| Explosive limits | 2.5–12.5% |
| Related compounds | |
| Related aldehyde | Propionaldehyde Pentanal |
| Related compounds | Butan-1-ol Butyric acid |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Butyraldehyde, also known as butanal, is an organic compound that is the aldehyde analog of butane as well as an isomer of butanone. It is a colorless flammable liquid with an acrid smell. It is miscible with most organic solvents.
It can be produced by catalytic dehydrogenation of n-butanol, catalytic hydrogenation of crotonaldehyde, or via the hydroformylation of propylene.
Upon exposure to air, it is oxidized to form butyric acid.
References
- Merck Index, 11th Edition, 1591.
External links
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