Definitions

Front 1

Class1

Back 1

—Explosives

Front 2

Division 1.1

Back 2

—Explosives with a mass explosion hazard

Front 3

Division 1.2

Back 3

—Explosives with a projection hazard

Front 4

Division 1.3

Back 4

—Explosives with predominantly a fire hazard

Front 5

Division 1.4

Back 5

—Explosives with minor explosion hazard

Front 6

Division 1.5

Back 6

—Very insensitive explosives

Front 7

Division 1.6

Back 7

—Extremely insensitive explosive articles

Front 8

Class 2

Back 8

—Flammable gases

Front 9

Division 2.2

Back 9

—Nonflammable gases

Front 10

Division 2.3

Back 10

—Poison gases

Front 11

Division 2.4

Back 11

—Corrosive gases (Canada only)

Front 12

Class 3

Back 12

—Flammable Liquids

Front 13

Class 4

Back 13

—Flammable Solids, Spontaneously Combustible Materials, and Materials that are Dangerous When Wet

Front 14

Division 4.1

Back 14

—Flammable solids

Front 15

Division 4.2

Back 15

—Spontaneously combustible materials

Front 16

Division 4.3

Back 16

—Materials that are dangerous when wet

Front 17

Class 5

Back 17

—Oxidizing Materials

Front 18

Division 5.1

Back 18

—Oxidizers

Front 19

Division 5.2

Back 19

—Organic peroxides

Front 20

Class 6

Back 20

—Poisonous and Etiologic (infectious) materials

Front 21

Division 6.1

Back 21

—Poisonous materials

Front 22

Division 6.2

Back 22

—Infectious substance (etiologic)

Front 23

Class 7

Back 23

—Radioactive Materials

Front 24

Class 8

Back 24

—Corrosive Materials

Front 25

Class 9

Back 25

—Miscellaneous Hazardous Materials

Front 26

In addition to the above classifications, materials meeting the 49 CFR definition of a “combustible liquid” and do not meet the definition of any other hazard class, hazardous substance, or marine pollutant are only regulated domestically when shipped in a bulk package. Also, specified hazardous materials may be transported as

Back 26

Other Regulated Material-D (ORM-D) (e.g., “a consumer commodity”).