27 CFR § 21.132
Toluene
April 24, 2020
(a) Specific Gravity at 15.56°/15.56 °C. 0.80 to 0.90.
(b) Boiling point ( °C). 110.6.
(c) Distillation range ( °C). Not more than 1 percent by volume should distill below 109, and not less than 99 percent by volume below 112.
(d) Odor. Characteristic odor.
[T.D. TTB-140, 81 FR 59463, Aug. 30, 2016]