Regulationcurrent
49 CFR 172.429
POISON INHALATION HAZARD label.
Current as of 2026-08-18 Government source
eCFR editorial compilationAuthoritative but unofficial
View source (a)Except for size and color, the POISON INHALATION HAZARD label must be as follows:#
(b)In addition to complying with § 172.407, the background on the POISON INHALATION HAZARD label and the symbol must be white. The background of the upper diamond must be black and the lower point of the upper diamond must be 14 mm (0.54 inches) above the horizontal center line.#