StacksVerified U.S. regulatory reference

49 CFR §172.405

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)For Classes 1, 2, 3, 4, 5, 6, and 8, text indicating a hazard (for example FLAMMABLE LIQUID) is not required on a primary or subsidiary label.
  2. (b)For a package containing Oxygen, compressed, or Oxygen, refrigerated liquid, the OXIDIZER label specified in § 172.426 of this subpart, modified to display the word “OXYGEN” instead of “OXIDIZER”, and the class number “2” instead of “5.1”, may be used in place of the NON-FLAMMABLE GAS and OXIDIZER labels. Notwithstanding the provisions of paragraph (a) of this section, the word “OXYGEN” must appear on the label.
  3. (c)For a package containing a Division 6.1, Packing Group III material, the POISON label specified in § 172.430 may be modified to display the text “PG III” instead of “POISON” or “TOXIC” below the mid line of the label. Also see § 172.313(d).