CFR /  Title 27  /  Part 21  /  Sec. 21.112 Heptane.

(a) Distillation range. No distillate should come over below 200 [deg]F. and none above 211 [deg]F.

(b) Odor. Characteristic odor. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001]