27 CFR §21.130
- (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.