§21.112-T3. High octane denaturant blend.
27 C.F.R. § 21.112-T3
API Gravity at 60 °F. 40 to 65.
Reid Vapor Pressure (PSI). 6 to 15.
Isopropyl alcohol. 24 to 40 percent volume.
Methyl alcohol. 1.6 to 9.6 percent volume.
Diisopropyl ether (DIPE). 4 to 12 percent volume.
tert-Butyl alcohol. 4 to 12 percent volume.
Iso-pentane. 4 to 9 percent volume.
Pentane. 4 to 9 percent volume.
Pentene. 0 to 2.4 percent volume.
Hexane. 2 to 6 percent volume.
Heptane. 1 to 3 percent volume.
Sulfur (ppm). 0 to 120.
Benzene (% vol.). 0 to 1.1.
Distillation ( °F)—
10 percent. 80 to 168.
50 percent. 250.
End point distillation. 437.
Notes, amendments, and revision history
Amendments
[T.D. TTB-140, 81 FR 59462, Aug. 30, 2016]
Authority
Authority: 5 U.S.C. 552(a); 26 U.S.C. 5242, 7805.
Source
Source: T.D. ATF-133, 48 FR 24673, June 2, 1983, unless otherwise noted.
Amendments
[T.D. TTB-140, 81 FR 59462, Aug. 30, 2016]