{"data":{"id":"us/27-cfr-21.23","jurisdiction":"us","citation":"27 CFR 21.23","heading":"Formula No. 19.","body":"To every 100 gallons of ethyl alcohol of not less than 160 proof add:\n4.0 gallons of either methyl isobutyl ketone, mixed isomers of nitropropane, or methyl n- butyl ketone; and\n1.0 gallon of either kerosene, deodorized kerosene, gasoline, unleaded gasoline, rubber hydrocarbon solvent, or heptane.","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 C—Completely Denatured Alcohol Formulas"],"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":"3016c23a2fd4a2ffaa072b5adc2739163ec0caf10c5f0dc3e299bd03b988207f","source_id":"us-cfr","stale":true,"prev":"us/27-cfr-21.22","next":"us/27-cfr-21.24"},"notice":"GroundRules: Original legal text. Not legal advice."}