- (a) Carvone content. Not less than 85 percent by weight.
- (b) Refractive index at 20 °C. 1.4930 to 1.4980.
- (c) Specific gravity at 25 °/25 °C. 0.949 to 0.956.
- (d) 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]