427 

Pipeline and Haz. Matls. Safety Admin., DOT 

§ 172.420 

NON-FLAMMABLE GAS label must be 
green. 

[Amdt. 172–123, 56 FR 66256, Dec. 20, 1991] 

§ 172.416

POISON GAS label. 

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

SON GAS label must be as follows: 

(b) In addition to complying with 

§ 172.407, the background on the POI-
SON GAS label and the symbol must be 
white. The background of the upper di-
amond 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 39405, July 22, 1997] 

§ 172.417

FLAMMABLE GAS label. 

(a) Except for size and color, the 

FLAMMABLE GAS label must be as 
follows: 

(b) In addition to complying with 

§ 172.407, the background color on the 
FLAMMABLE GAS label must be red. 

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

§ 172.419

FLAMMABLE LIQUID label. 

(a) Except for size and color the 

FLAMMABLE LIQUID label must be as 
follows: 

(b) In addition to complying with 

§ 172.407, the background color on the 
FLAMMABLE LIQUID label must be 
red. 

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

§ 172.420

FLAMMABLE SOLID label. 

(a) Except for size and color, the 

FLAMMABLE SOLID label must be as 
follows: 

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: