Oleum Abietis. Br. Oil of Siberian Fir.

[Oil of Pine]

"Oil of Siberian Fir is the oil distilled from the fresh leaves of Abies sibirica, Ledeb." Br.

"Colorless or nearly so. Aromatic odor; taste pungent. Specific gravity 0.900 to 0.920; optical rotation —32° to —4-2°; refractive index at 25° C. (77° F.) about 1.474. Contains from 30 to 40 per cent. of esters, calculated as bornyl acetate, C₁₀H₁₇C₂H₃O₂" Br.

This is practically the same in its properties and uses as pine needle oil. (See Oleum Pini Pumilionis.)

The Dispensatory of the United States of America, 1918, was edited by Joseph P. Remington, Horatio C. Wood and others.