{"data":{"id":"us/27-cfr-21.38","jurisdiction":"us","citation":"27 CFR 21.38","heading":"Formula No. 4.","body":"(a) Formula. To every 100 gallons of alcohol, or to every 100 gallons of rum of not less than 150 proof, add:\nOne 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.\n(b) Authorized uses. (1) As a solvent:\n460. Tobacco sprays and flavors.\n(2) Miscellaneous uses:\n812. Product development and pilot plant uses (own use only).","path":["Title 27—Alcohol, Tobacco Products and Firearms","CHAPTER I—ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY","SUBCHAPTER A—ALCOHOL","PART 21—FORMULAS FOR DENATURED ALCOHOL AND RUM","Subpart D—Specially Denatured Spirits Formulas and Authorized Uses"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-27.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:11Z","sha256":"05b9f73b4bb7b68d0d0120ad34f8023ff13f94da2abdc385590f0890e167e20d","source_id":"us-cfr","stale":true,"prev":"us/27-cfr-21.37","next":"us/27-cfr-21.39-21.40"},"notice":"GroundRules: Original legal text. Not legal advice."}