StacksVerified U.S. regulatory reference

27 CFR §21.100

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Acidity (as acetic acid). 0.03 percent by weight maximum.
  2. (b)Color. Colorless.
  3. (c)Dryness at 20 °C. Miscible without turbidity with 10 volumes of 60° Bé1. gasoline.
  4. (d)Odor. Characteristic odor.
  5. (e)Specific gravity at 20 °/20 °C. 0.810 to 0.815.