Title: Propiophenone
CAS Registry Number: 93-55-0
CAS Name: 1-Phenyl-1-propanone
Additional Names: ethyl phenyl ketone; propionylbenzene; phenyl ethyl ketone
Molecular Formula: C9H10O
Molecular Weight: 134.18
Percent Composition: C 80.56%, H 7.51%, O 11.92%
Literature References: Prepared from propionyl chloride and benzene in the presence of anhydr aluminum chloride: Read, J. Am. Chem. Soc. 44, 1751 (1922).
Properties: Leaflets or tabular crystals. Strong, persistent, agreeable, flowery odor. Usually supplied as a liquid. d40 (solid) 1.157; d420 (liq) 1.0105; d2020 1.0118; d2525 1.0087; d441.8 0.9934; d461.2 0.9776; d485.5 0.9572. mp 21°. Typical freezing point: 18.6°. bp760 218.0°; bp400 194.2°; bp200 170.2°; bp100 149.3°; bp60 135.0°; bp40 124.3°; bp20 107.6°; bp10 92.2°; bp5 77.9°. nD15.9 1.5290; nD20 1.5269. uv max (hexane): 250, 280, 323 nm. Dipole moment: 2.7. Parachor 328.7. Flash pt 99°C (210°F). Misc with methanol, anhydr ethanol, ether, benzene, toluene. Insol in water, glycerol, ethylene glycol, propylene glycol.
Melting point: mp 21°
Boiling point: bp760 218.0°; bp400 194.2°; bp200 170.2°; bp100 149.3°; bp60 135.0°; bp40 124.3°; bp20 107.6°; bp10 92.2°; bp5 77.9°
Flash point: Flash pt 99°C (210°F)
Index of refraction: nD15.9 1.5290; nD20 1.5269
Absorption maximum: uv max (hexane): 250, 280, 323 nm
Density: d40 (solid) 1.157; d420 (liq) 1.0105; d2020 1.0118; d2525 1.0087; d441.8 0.9934; d461.2 0.9776; d485.5 0.9572
Use: In perfumery; in the synthesis of ephedrine and related compds. |