| Title:  Perilla Ketone CAS Registry Number:  553-84-4 CAS Name:  1-(3-Furanyl)-4-methyl-1-pentanone Additional Names:  1-(3-furyl)-4-methyl-1-pentanone;  b-furyl isoamyl ketone Molecular Formula:  C10H14O2 Molecular Weight:  166.22 Percent Composition:  C 72.26%, H 8.49%, O 19.25% Literature References:  Potent pulmonary edematogenic agent.  Isoln from the mint plant, Perilla frutescens Britton, Labiatae, and structure:  R. Goto, J. Pharm. Soc. Jpn. 57, 77 (1937).  Synthesis:  T. Matsuura, Bull. Chem. Soc. Jpn. 30, 430 (1957); K. Kondo, M. Matsumoto, Tetrahedron Lett. 1976, 4363; T. Kitamura et al., Synth. Commun. 7, 521 (1977); K. Inomata et al., Chem. Lett. 1979, 709.  Potent lung toxin implicated in emphysema of grazing cattle:  B. J. Wilson et al., Science 197, 573 (1977). Properties:  Colorless oil, bp 196°.  nD20 1.4781; d1515 0.9920.  uv max (ethanol):  207, 253 nm (e 14100, 5800).  Sensitive to oxygen; becomes reddish-orange on standing.  LD50 in female, male mice, male rats (mg/kg):  2.5, 6, 10 i.p. (Wilson). Boiling point:  bp 196° Index of refraction:  nD20 1.4781 Absorption maximum:  uv max (ethanol):  207, 253 nm (e 14100, 5800) Density:  d1515 0.9920 Toxicity data:  LD50 in female, male mice, male rats (mg/kg):  2.5, 6, 10 i.p. (Wilson)  |