Regulations last checked for updates: Nov 25, 2024

Title 49 - Transportation last revised: Nov 18, 2024
§ 172.400 - General labeling requirements.

(a) Except as specified in § 172.400a, each person who offers for transportation or transports a hazardous material in any of the following packages or containment devices, shall label the package or containment device with labels specified for the material in the § 172.101 table and in this subpart:

(1) A non-bulk package;

(2) A bulk packaging, other than a cargo tank, portable tank, or tank car, with a volumetric capacity of less than 18 m 3 (640 cubic feet), unless placarded in accordance with subpart F of this part;

(3) A portable tank of less than 3785 L (1000 gallons) capacity, unless placarded in accordance with subpart F of this part;

(4) A DOT Specification 106 or 110 multi-unit tank car tank, unless placarded in accordance with subpart F of this part; and

(5) An overpack, freight container or unit load device, of less than 18 m 3 (640 cubic feet), which contains a package for which labels are required, unless placarded or marked in accordance with § 172.512 of this part.

(b) Labeling is required for a hazardous material which meets one or more hazard class definitions, in accordance with column 6 of the § 172.101 table and the following table:

Table 1 to Paragraph (b)

Hazard class or division Label name Label design
or section
reference
1.1EXPLOSIVES 1.1172.411
1.2EXPLOSIVES 1.2172.411
1.3EXPLOSIVES 1.3172.411
1.4EXPLOSIVES 1.4172.411
1.5EXPLOSIVES 1.5172.411
1.6EXPLOSIVES 1.6172.411
2.1FLAMMABLE GAS172.417
2.2NON-FLAMMABLE GAS172.415
2.3POISON GAS172.416
3 Flammable Liquid (Combustible liquid)FLAMMABLE LIQUID (none)172.419
4.1FLAMMABLE SOLID172.420
4.2SPONTANEOUSLY COMBUSTIBLE172.422
4.3DANGEROUS WHEN WET172.423
5.1OXIDIZER172.426
5.2ORGANIC PEROXIDE172.427
6.1 (material poisonous by inhalation (see § 171.8 of this subchapter))POISON INHALATION HAZARD172.429
6.1 (other than a material poisonous by inhalation)POISON172.430
6.1 (inhalation hazard, Zone A or B)POISON INHALATION HAZARD172.429
6.1 (other than inhalation hazard, Zone A or B)POISON172.430
6.2INFECTIOUS SUBSTANCE172.432
7 (see § 172.403)RADIOACTIVE WHITE-I172.436
7RADIOACTIVE YELLOW-II172.438
7RADIOACTIVE YELLOW-III172.440
7 (fissile radioactive material; see § 172.402)FISSILE172.441
7 (empty packages, see § 173.428 of this subchapter)EMPTY172.450
8CORROSIVE172.442
9CLASS 9172.446
[Amdt. 172-123, 55 FR 52593, Dec. 21, 1990, as amended at 56 FR 66255, Dec. 20, 1991; Amdt. 172-151, 62 FR 1228, Jan. 8, 1997; 64 FR 10776, Mar. 5, 1999; 64 FR 51918, Sept. 27, 1999; 69 FR 3668, Jan. 26, 2004; 69 FR 64471, Nov. 4, 2004; 78 FR 60753, Oct. 2, 2013; 85 FR 83381, Dec. 21, 2020; 87 FR 79773, Dec. 27, 2022]
authority: 49 U.S.C. 5101-5128,44701; 49 CFR 1.81, 1.96 and 1.97
source: Amdt. 172-29, 41 FR 15996, Apr. 15, 1976, unless otherwise noted.
cite as: 49 CFR 172.400