{"data":{"id":"us/27-cfr-21.112-t3","jurisdiction":"us","citation":"27 CFR 21.112-T3","heading":"-T3 High octane denaturant blend.","body":"(a) API Gravity at 60 °F. 40 to 65.\n(b) Reid Vapor Pressure (PSI). 6 to 15.\n(c) Isopropyl alcohol. 24 to 40 percent volume.\n(d) Methyl alcohol. 1.6 to 9.6 percent volume.\n(e) Diisopropyl ether (DIPE). 4 to 12 percent volume.\n(f) tert-Butyl alcohol. 4 to 12 percent volume.\n(g) Iso-pentane. 4 to 9 percent volume.\n(h) Pentane. 4 to 9 percent volume.\n(i) Pentene. 0 to 2.4 percent volume.\n(j) Hexane. 2 to 6 percent volume.\n(k) Heptane. 1 to 3 percent volume.\n(l) Sulfur (ppm). 0 to 120.\n(m) Benzene (% vol.). 0 to 1.1.\n(n) Distillation ( °F):\n(i) 10 percent. 80 to 168.\n(ii) 50 percent. 250.\n(iii) End point distillation. 437.","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 E—Specifications for Denaturants"],"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":"1ef236143408fc98b0cc7b8a6d714544d8adab91c3e8c7b155f888b6225c940f","source_id":"us-cfr","stale":true,"prev":"us/27-cfr-21.112-t2","next":"us/27-cfr-21.113"},"notice":"GroundRules: Original legal text. Not legal advice."}