Title: Phenylacetaldehyde
CAS Registry Number: 122-78-1
CAS Name: Benzeneacetaldehyde
Additional Names: a-toluic aldehyde; a-tolualdehyde
Trademarks: Hyacinthin
Molecular Formula: C8H8O
Molecular Weight: 120.15
Percent Composition: C 79.97%, H 6.71%, O 13.32%
Line Formula: C6H5CH2CHO
Literature References: Prepd by oxidizing phenylethyl alcohol with chromic acid. High-yield synthesis from styrene oxide or styrene glycol: G. Paparatto, G. Gregorio, Tetrahedron Lett. 29, 1471 (1988).
Properties: Oily, colorless liq which polymerizes and grows more viscous on standing. Odor reminiscent of lilac and hyacinth. (Has been crystallized, mp 33-34°.) d2525 1.023-1.030; bp760 195°; bp18 88°; bp10 78°; nD20 1.524-1.528. Slightly sol in water. Soluble in alcohol, ether. One part is sol in 2 parts of 80% alc forming a clear solution.
Melting point: mp 33-34°
Boiling point: bp760 195°; bp18 88°; bp10 78°
Index of refraction: nD20 1.524-1.528
Density: d2525 1.023-1.030
Use: In perfumery; intermediate in organic synthesis. |