Section 21.130 - Spike lavender oil, natural(a)Alcohol content (as borneol). Not less than 30 percent by weight.(b)Esters (as bornyl acetate). Not less than 1.5 percent by weight.(c)Refractive index at 20 °C. 1.4630 to 1.4680.(d)Specific gravity at 25 °/25 °C. 0.893 to 0.909.(e)Odor. Characteristic odor.T.D. ATF-133, 48 FR 24673, 6/2/1983. Redesignated by T.D. ATF-442, 66 FR 12854, 3/1/2001