Oil of Dwarf Pine Needles
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Title: Oil of Dwarf Pine Needles
Additional Names: Oil of mountain pine; Pinus Montana oil; Pinus pumilio oil
Literature References: Volatile oil from fresh leaves of Pinus montana Mill. (P. pumilio Haenke), Pinaceae. Constit. l-Pinene, l-phellandrene, sylvestrene, dipentene, cadinene, 5-7% bornyl acetate.
Properties: Colorless or faintly yellow liq; pleasant odor; bitter taste. d2525 0.853-0.869. aD25 -5 to -12°. nD20 1.4750-1.4800. Insol in water. Sol in 4.5-8 vols 90% alcohol; very sol in chloroform, ether. Keep well closed, cool and protected from light.
Optical Rotation: aD25 -5 to -12°
Index of refraction: nD20 1.4750-1.4800
Density: d2525 0.853-0.869
Use: Pharmaceutic aid (flavor and perfume).
Therap-Cat: Expectorant.

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