StacksVerified U.S. regulatory reference

27 CFR §21.112-T1

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)General. Minimum 55 percent n-hexane.
  2. (b)Distillation range. No distillate should come over below 150 °F and none above 160 °F.
  3. (c)Odor. Characteristic odor.