§ 21.38. Formula No. 4.
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/us/cfr/t27/s§ 21.38·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)Formula. To every 100 gallons of alcohol, or to every 100 gallons of rum of not less than 150 proof, add: One gallon of the following solution: Five gallons of an aqueous solution containing 40 percent nicotine; 3.6 avoirdupois ounces of methylene blue, U.S.P.; and water sufficient to make 100 gallons.
(b)Authorized uses.
(1)As a solvent: 460. Tobacco sprays and flavors.
(2)Miscellaneous uses: 812. Product development and pilot plant uses (own use only).