27 C.F.R. § 21.105 Citronella oil, natural.
Title 27 - Alcohol, Tobacco Products and Firearms
(a) Java type: (1) Alcohol content (as Geraniol). Not less than 85 percent by weight. (2) Aldehyde content (as Citronellal). Not less than 30 percent by weight. (3) Refractive index at 20 °C. 1.4660 to 1.4745. (4) Specific gravity at 25 °/25 °C. 0.875 to 0.893. (5) Odor. Characteristic odor. (b) Ceylon type: (1) Alcohol content (as Geraniol). Not less than 55 percent by weight. (2) Aldehyde content (as Citronellal). Not less than 7 percent by weight. (3) Refractive index at 20 °C. 1.4790 to 1.4850. (4) Specific gravity at 25 °/25 °C. 0.891 to 0.904. (5) Odor. Characteristic odor. [T.D. ATF–133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF–442, 66 FR 12854, Mar. 1, 2001]
Title 27: Alcohol, Tobacco and Firearms
PART 21—FORMULAS FOR DENATURED ALCOHOL AND RUM
Subpart E—Specifications for Denaturants
§ 21.105 Citronella oil, natural.

