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Hazard Classification Code

The UN hazard classification system for classifying explosive materials and explosive components is recognized internationally and is used universally by the Department of Defense (DoD), other Department of Energy (DOE) contractors, and the Department of Transportation (DOT). The UN system consists of nine classes of dangerous materials, with explosives designated as Class 1. The explosives hazard class is further subdivided into six divisions, which are used for segregating ammunition and explosives on the basis of similarity of characteristics, properties, and accident effects potential.


Hazard class/division

Hazard description

1.1

Mass explosion

1.2

Nonmass explosion, fragment-producing

1.3

Mass fire, minor blast or fragment

1.4

Moderate fire, no blast or fragment

1.5

Explosive substance, very insensitive (with a mass explosion hazard)

1.6

Explosive article, extremely insensitive



United Nations Serial Number  Article  Hazard Classification Code  
354ARTICLES, EXPLOSIVE, N.O.S.  1.1 L 
355ARTICLES, EXPLOSIVE, N.O.S.  1.2 L 
356ARTICLES, EXPLOSIVE, N.O.S.  1.3 L 
350ARTICLES, EXPLOSIVE, N.O.S.  1.4 B 
351ARTICLES, EXPLOSIVE, N.O.S.  1.4 C 
352ARTICLES, EXPLOSIVE, N.O.S.  1.4 D 
353ARTICLES, EXPLOSIVE, N.O.S.  1.4 G 
349ARTICLES, EXPLOSIVE, N.O.S.  1.4 S 
224BARIUM AZIDE, dry or wetted with less than 50 per cent water, by weight.  1.1 A 
28BLACK POWDER (GUNPOWDER) COMPRESSED, or BLACK POWDER (GUNPOWDER) IN PELLETS.  1.1 D 
27BLACK POWDER (GUNPOWDER) granular or as a meal.  1.1 D 
268BOOSTERS WITH DETONATOR.  1.2 B 
225BOOSTERS WITH DETONATOR.  1.1 B 
42BOOSTERS without detonator.  1.1D 
283BOOSTERS without detonator.  1.2 D 
48CHARGES, DEMOLITION.  1.1D 
444CHARGES, EXPLOSIVE, COMMERCIAL without detonator.  1.4 D 
445CHARGES, EXPLOSIVE, COMMERCIAL without detonator.  1.4 S 
443CHARGES, EXPLOSIVE, COMMERCIAL without detonator.  1.2 D 
442CHARGES, EXPLOSIVE, COMMERCIAL without detonator.  1.1 D 
59CHARGES, SHAPED, COMMERCIAL without detonator.  1.1D 
441CHARGES, SHAPED, COMMERCIAL without detonator.  1.4 S 
439CHARGES, SHAPED, COMMERCIAL without detonator.  1.2 D 
440CHARGES, SHAPED, COMMERCIAL without detonator.  1.4 D 
288CHARGES, SHAPED, FLEXIBLE, LINEAR metal clad.  1.1D 
237CHARGES, SHAPED, FLEXIBLE, LINEAR metal clad.  1.4 D 
60CHARGES, SUPPLEMENTARY, EXPLOSIVE.  1.1D 
383COMPONENTS, EXPLOSIVE TRAIN, N.O.S.  1.4 B 
382COMPONENTS, EXPLOSIVE TRAIN, N.O.S.  1.2 B 
384COMPONENTS, EXPLOSIVE TRAIN, N.O.S.  1.4 S 
249CONTRIVANCES, WATER-ACTIVATED with burster, expelling charge or propelling charge.  1.3 L 
248CONTRIVANCES, WATER-ACTIVATED with burster, expelling charge or propelling charge.  1.2 L 
102CORD (FUSE), DETONATING, metal clad.  1.2 D 
290CORD (FUSE), DETONATING, metal clad.  1.1D 
104CORD (FUSE), DETONATING, mild effect, metal clad.  1.4 D 
65CORD, DETONATING, flexible.  1.1D 
289CORD, DETONATING, flexible.  1.4 D 
66CORD, IGNITER.  1.4 G 
226CYCLOTETRAMETHYLENETETRANITRAMINE (HMX; OCTOGEN), WETTED with not less than 15 per cent water, by weight, or CYCLOTETRAMETHYLENETETRANITRAMINE (HMX; OCTOGEN), DESENSITIZED with not less than 10 per cent phlegmatiser, by weight.  1.1 D 
391CYCLOTRIMETHYLENETRINITRAMINE (CYCLONITE; HEXOGEN; RDX) AND CYCLOTETRAMETHYLENETETRANITRAMINE (HMX; OCTOGEN) MIXTURES, WETTED with not less than 15 percent water by weight, or CYCLOTRIMETHYLENETRINITRAMINE (CYCLONITE; HEXOGEN; RDX) AND CYCLOTETRAMETHYLENETETRANITRAMINE (HMX; OCTOGEN) MIXTURES, DESENSITIZED with not less than 10 per cent phlegmatiser, by weight.  1.1 D 
72CYCLOTRIMETHYLENETRINITRAMINE (CYCLONITE; HEXOGEN; RDX), WETTED with not less than 15 per cent water, by weight, or CYCLOTRIMETHYLENETRINITRAMINE (CYCLONITE; HEXOGEN; RDX), DESENSITIZED with not less than 10 per cent phlegmatiser, by weight.  1.1 D 
630DETONATOR, ASSEMBLIES, NON-ELECTRIC for blasting.  1.1 B 
361DETONATOR, ASSEMBLIES, NON-ELECTRIC for blasting.  1.4 B 
255DETONATORS, ELECTRIC for blasting.  1.4 B 
30DETONATORS, ELECTRIC for blasting.  1.1 B 
267DETONATORS, NON-ELECTRIC for blasting.  1.4 B 
29DETONATORS, NON-ELECTRIC for blasting.  1.1 B 
74DIAZODINITROPHENOL, WETTED with not less than 40 per cent water, by weight (or mixture of alcohol and water).  1.1 A 
81EXPLOSIVE, BLASTING, TYPE A.  1.1 D 
331EXPLOSIVE, BLASTING, TYPE B.  1.5 D 
82EXPLOSIVE, BLASTING, TYPE B.  1.1 D 
84EXPLOSIVE, BLASTING, TYPE D.  1.1 D 
332EXPLOSIVE, BLASTING, TYPE E.  1.5 D 
241EXPLOSIVE, BLASTING, TYPE E.  1.1 D 
83EXPLOSIVE, BLASTING,TYPE C.  1.1 D 
99FRACTURING DEVICES, EXPLOSIVE, for oil wells, without detonator.  1.1 D 
103FUSE, IGNITER, tubular, metal clad.  1.4 G 
101FUSE, INSTANTANEOUS, NON-DETONATING.  1.3 G 
105FUSE, SAFETY.  1.4 S 
408FUZES, DETONATING with protective features.  1.1 D 
410FUZES, DETONATING with protective features.  1.4 D 
409FUZES, DETONATING with protective features.  1.2 D 
107FUZES, DETONATING.  1.2 B 
257FUZES, DETONATING.  1.4 B 
106FUZES, DETONATING.  1.1 B 
367FUZES, DETONATING.  1.4 S 
113GUANYL NITROSAMINOGUANYLIDENE HYDRAZINE, WETTED with not less than 30 per cent water, by weight  1.1 A 
114GUANYL NITROSAMINOGUANYLTETRAZENE (TETRAZENE), WETTED with not less than 30 per cent water, by weight (or mixture of alcohol and water)  1.1 A 
79HEXANITRODIPHENYLAMINE (DIPICRYLAMINE; HEXYL).  1.1 D 
392HEXANITROSTILBENE.  1.1 D 
393HEXATONAL, CAST.  1.1 D 
118HEXOLITE, dry or wetted with less than 15 per cent water, by weight.  1.1 D 
325IGNITERS.  1.4 G 
315IGNITERS.  1.3 G 
314IGNITERS.  1.2 G 
121IGNITERS.  1.1 G 
124JET PERFORATING GUNS, CHARGED, oil well, without detonator.  1.1D 
129LEAD AZIDE, WETTED with not less than 20 per cent water, by weight (or mixture of alcohol and water).  1.1 A 
130LEAD STYPHNATE (LEAD TRINITRORESORCINATE), WETTED with not less than 20 per cent water, by weight (or mixture of alcohol and water).  1.1 A 
133MANNITOL HEXANITRATE (NITROMANNAITE), WETTED with not less than 40 per cent water, by weight (or mixture of alcohol and water).  1.1 D 
135MERCURY FULMINATE, WETTED with not less than 20 per cent water, by weight (or mixture of alcohol and water).  1.1 A 
147NITRO UREA.  1.1 D 
340NITROCELLULOSE, dry or wetted with less than 25 per cent water (or alcohol), by weight.  1.1 D 
343NITROCELLULOSE, PLASTICIZED with not less than 18 per cent plasticizing substance by weight.  1.3 C 
341NITROCELLULOSE, unmodified or plasticized with less than 18 per cent plasticizing substance by weight.  1.1 D 
342NITROCELLULOSE, WETTED with not less than 25 per cent alcohol, by weight.  1.3C 
143NITROGLYCERIN, DESENSITIZED, with not less than 40 per cent non-volatile water-insoluble phlegmatiser, by weight.  1.1 D 
144NITROGLYCERIN, SPIRIT OF, with more than 1 per cent but not more than 10 per cent nitroglycerin in solution in alcohol.  1.1D 
282NITROGUANIDINE, (PICRITE), dry or wetted with less than 20 per cent water, by weight.  1.1 D 
146NITROSTARCH, dry or wetted with less than 20 per cent water, by weight.  1.1 D 
266OCTOLITE, (OCTOL), dry or wetted with less than 15 per cent water, by weight.  1.1 D 
150PENTAERYTHRITE TETRANITRATE (PENTAERYTHRITOL TETRANITRATE; PETN), WETTED with not less than 25 per cent water, by weight, or PENTAERYTHRITE TETRANITRATE (PENTAERYTHRITOL TETRANITRATE; PETN), DESENSITIZED with not less than 15 per cent phlegmatiser, by weight.  1.1D 
411PENTAERYTHRITE TETRANITRATE (PETN) with not less than 7 per cent wax, by weight.  1.1 D 
151PENTOLITE, dry or wetted with less than 15 per cent water, by weight.  1.1D 
159POWDER CAKE (POWDER PASTE), WETTED with not less than 35 per cent water, by weight.  1.3 C 
433POWDER CAKE, WETTED with not less than 17 per cent alcohol, by weight.  1.1 C 
161POWDER, SMOKELESS.  1.3 C 
160POWDER, SMOKELESS.  1.1 C 
173RELEASE DEVICES, EXPLOSIVE.  1.4 S 
190SAMPLES, EXPLOSIVE, other than initiating explosive.  As appropriate 
374SOUNDING DEVICES, EXPLOSIVE.  1.1 E 
204SOUNDING DEVICES, EXPLOSIVE.  1.2F 
375SOUNDING DEVICES, EXPLOSIVE.  1.2 E 
296SOUNDING DEVICES, EXPLOSIVE.  1.1F 
357SUBSTANCES, EXPLOSIVE, N.O.S.  1.1 L 
358SUBSTANCES, EXPLOSIVE, N.O.S.  1.3 L 
359SUBSTANCES, EXPLOSIVE, N.O.S.  1.3 L 
208TRINITROPHENYLMETHYLNITRAMINE (TETRYL).  1.1 D 
388TRINITROTOLUENE (TNT) AND TRINITROTOLUENE MIXTURES OR TRINITROTOLUENE (TNT) AND HEXANITROSTILBENE MIXTURES.  1.1 D 
389TRINITROTOLUENE (TNT) MIXTURES CONTAINING TRINITROBENZENE AND HEXANITROSTILBENE  1.1 D 
209TRINITROTOULENE (TNT), dry or wetted with less than 30 per cent water, by weight.  1.1D 
390TRITONAL.  1.1 D 
220UREA NITRATE, dry or wetted with less than 20 per cent water, by weight.  1.1 D 



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