428 

49 CFR Ch. I (10–1–23 Edition) 

§ 172.422 

(b) In addition to complying with 

§ 172.407, the background on the FLAM-
MABLE SOLID label must be white 
with vertical red stripes equally spaced 
on each side of a red stripe placed in 
the center of the label. The red vertical 
stripes must be spaced so that, vis-
ually, they appear equal in width to 
the white spaces between them. The 
symbol (flame) and text (when used) 
must be overprinted. The text ‘‘FLAM-
MABLE SOLID’’ may be placed in a 
white rectangle. 

[Amdt. 172–123, 56 FR 66257, Dec. 20, 1991] 

§ 172.422

SPONTANEOUSLY COMBUS-

TIBLE label. 

(a) Except for size and color, the 

SPONTANEOUSLY COMBUSTIBLE 
label must be as follows: 

(b) In addition to complying with 

§ 172.407, the background color on the 
lower half of the SPONTANEOUSLY 
COMBUSTIBLE label must be red and 
the upper half must be white. 

[Amdt. 172–123, 56 FR 66257, Dec. 20, 1991, as 
amended at 57 FR 45458, Oct. 1, 1992] 

§ 172.423

DANGEROUS WHEN WET 

label. 

(a) Except for size and color, the 

DANGEROUS WHEN WET label must 
be as follows: 

(b) In addition to complying with 

§ 172.407, the background color on the 
DANGEROUS WHEN WET label must 
be blue. 

[Amdt. 172–123, 56 FR 66257, Dec. 20, 1991] 

§ 172.426

OXIDIZER label. 

(a) Except for size and color, the OXI-

DIZER label must be as follows: 

(b) In addition to complying with 

§ 172.407, the background color on the 
OXIDIZER label must be yellow. 

[Amdt. 172–123, 56 FR 66257, Dec. 20, 1991] 

§ 172.427

ORGANIC PEROXIDE label. 

(a) Except for size and color, the OR-

GANIC PEROXIDE label must be as 
follows: 

429 

Pipeline and Haz. Matls. Safety Admin., DOT 

§ 172.427 

430 

49 CFR Ch. I (10–1–23 Edition) 

§ 172.429 

(b) In addition to complying with 

§ 172.407, the background on the OR-
GANIC PEROXIDE label must be red in 
the top half and yellow in the lower 
half. 

[71 FR 78627, Dec. 29, 2006] 

§ 172.429

POISON INHALATION HAZ-

ARD label. 

(a) Except for size and color, the POI-

SON INHALATION HAZARD label 
must be as follows: 

(b) In addition to complying with 

§ 172.407, the background on the POI-
SON INHALATION HAZARD label and 
the symbol must be white. The back-
ground 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. 

[62 FR 39406, July 22, 1997] 

§ 172.430

POISON label. 

(a) Except for size and color, the POI-

SON label must be as follows: 

(b) In addition to complying with 

§ 172.407, the background on the POI-
SON label must be white. The word 
‘‘TOXIC’’ may be used in lieu of the 
word ‘‘POISON’’. 

[Amdt. 172–123, 56 FR 66258, Dec. 20, 1991, as 
amended by Amdt. 172–139, 59 FR 67490, Dec. 
29, 1994] 

§ 172.431

[Reserved] 

§ 172.432

INFECTIOUS SUBSTANCE 

label. 

(a) Except for size and color, the IN-

FECTIOUS SUBSTANCE label must be 
as follows: 

(b) In addition to complying with 

§ 172.407, the background on the INFEC-
TIOUS SUBSTANCE label must be 
white. 

(c) Labels conforming to require-

ments in place on August 18, 2011 may