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Electronic Code of Federal Regulations

e-CFR data is current as of March 26, 2020

Title 27Chapter ISubchapter APart 21Subpart E → §21.112-t3


Title 27: Alcohol, Tobacco Products and Firearms
PART 21—FORMULAS FOR DENATURED ALCOHOL AND RUM
Subpart E—Specifications for Denaturants


§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.

(ii) 50 percent. 250.

(iii) End point distillation. 437.

[T.D. TTB-140, 81 FR 59462, Aug. 30, 2016]

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