27 CFR § 21.109 - Gasoline.

---
identifier: "/us/cfr/t27/s21.109"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "27 CFR § 21.109 - Gasoline."
title_number: 27
title_name: "Alcohol, Tobacco Products and Firearms"
section_number: "21.109"
section_name: "Gasoline."
chapter_name: "ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY"
subchapter_number: "A"
subchapter_name: "ALCOHOL"
part_number: "21"
part_name: "FORMULAS FOR DENATURED ALCOHOL AND RUM"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "5 U.S.C. 552(a); 26 U.S.C. 5242, 7805."
regulatory_source: "T.D. ATF-133, 48 FR 24673, June 2, 1983, unless otherwise noted."
cfr_part: "21"
---


# 21.109 Gasoline.

(a) *Distillation range.* When 100 mL of gasoline are distilled, none shall distill below 90 °F. Not more than 5 mL shall be collected below 140 °F., and not less than 50 mL shall distill below 230 °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]