StacksVerified U.S. regulatory reference

27 CFR §21.129

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Carvone content. Not less than 85 percent by weight.
  2. (b)Refractive index at 20 °C. 1.4930 to 1.4980.
  3. (c)Specific gravity at 25 °/25 °C. 0.949 to 0.956.
  4. (d)Odor. Characteristic odor.