Section 21.112-T3 - High octane denaturant blend(a)API Gravity at 60 °F. 40 to 65.(b)Reid Vapor Pressure (PSI). 6 to 15.(c)Isopropyl alcohol. 24 to 40 percent volume.(d)Methyl alcohol. 1.6 to 9.6 percent volume.(e)Diisopropyl ether (DIPE). 4 to 12 percent volume.(f)tert-Butyl alcohol. 4 to 12 percent volume.(g)Iso-pentane. 4 to 9 percent volume.(h)Pentane. 4 to 9 percent volume.(i)Pentene. 0 to 2.4 percent volume.(j)Hexane. 2 to 6 percent volume.(k)Heptane. 1 to 3 percent volume.(l)Sulfur (ppm). 0 to 120.(m)Benzene (% vol.). 0 to 1.1.(n)Distillation ( °F):(i)10 percent. 80 to 168.(iii)End point distillation. 437.