Nomenclature
Otto of rose; essence of rose; attar of rose. Description and references
Volatile oil from fresh flowers of Rosa
gallica L. and R. damascena Mill. and varieties of
these species (Rosaceae). Constit. 70-75% free geraniol
and citronellol; small amounts of their esters; terpenes.
Properties
Colorless or pale yellow liquid; viscous at 25°;
highly fragrant, rose odor. d3015 0.848-0.863. Congeals at 18-22° to
a translucent, cryst mass. αD25 -1 to -4°. nD30 1.457-1.463. Very slightly sol in water, sparingly sol in alcohol; sol
in fatty oils, chloroform. Keep cool in well-closed
and well-filled containers and protected from light.Use
Largely in perfumery; for flavoring lozenges, ointments,
and toilet prepns.