3-Hydroxybutanal
Chemical compound
| 3-Hydroxybutanal | |
|---|---|
| 3-Hydroxybutanal.png | |
| Identifiers | |
| CAS Number | |
| PubChem CID | 656 |
| ChemSpider ID | |
| UNII | 3KX376GY7A |
| ChEBI | |
| ChEMBL | |
| Properties | |
| Chemical Formula | C_4H_8O_2 |
| Molar Mass | 88.11 g/mol |
| Appearance | Colorless liquid |
| Density | 0.94 g/cm³ |
| Melting Point | |
| Boiling Point | 146 °C |
| Hazards | |
| GHS Pictograms | [[File:|50px]] |
| GHS Signal Word | |
| GHS Hazard Statements | |
| NFPA 704 | [[File:|50px]] |
| References | |
3-Hydroxybutanal, also known as acetaldol or β-hydroxybutyraldehyde, is an organic compound with the formula C_4H_8O_2. It is a colorless liquid that is miscible with water and has a density of 0.94 g/cm³. The compound is an important intermediate in various chemical syntheses and is used in the production of pharmaceuticals, flavoring agents, and fragrances.
Chemical Structure and Properties
3-Hydroxybutanal is an aldehyde with a hydroxyl group on the third carbon atom. Its molecular formula is C_4H_8O_2, and it has a molar mass of 88.11 g/mol. The compound has a boiling point of 146 °C and is miscible with water, making it useful in various aqueous reactions.
Synthesis
3-Hydroxybutanal can be synthesized through the aldol condensation of acetaldehyde. In this reaction, two molecules of acetaldehyde react in the presence of a base to form 3-hydroxybutanal. The reaction can be represented as follows:
2 CH_3CHO → CH_3CH(OH)CH_2CHO
This reaction is a key step in the production of various fine chemicals and intermediates.
Applications
3-Hydroxybutanal is used in the synthesis of several important compounds, including:
- Pharmaceuticals: It serves as an intermediate in the production of various active pharmaceutical ingredients (APIs).
- Flavoring agents: It is used in the synthesis of compounds that impart flavor to food products.
- Fragrances: It is a precursor in the production of aromatic compounds used in perfumes and other scented products.
Safety and Handling
As with many organic compounds, proper safety measures should be taken when handling 3-hydroxybutanal. It should be stored in a cool, dry place, away from sources of ignition. Protective equipment such as gloves and goggles should be worn to prevent skin and eye contact.
See also
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