Index of Hazardous Materials

CAS/UN/NA-NumberNameHazard Class
UN 2432
CAS 91-66-7
N, N-Diethylaniline6.1
UN 2685N,N-Diethylethylenediamine8
UN 2253
CAS 121-69-7
N,N-Dimethylaniline6.1
UN 2264N,N-Dimethylcyclohexylamine8
UN 2265N,N-Dimethylformamide3
N,N′-(hexanitrodiphenyl) ethylene dinitramine (dry)Forbidden
N,N′-Dichlorazodicarbonamidine (salts of) (dry)Forbidden
UN 2815
CAS 140-31-8
N-Aminoethylpiperazine8
n-Aminopropylmorpholine, see Amines, etc
UN 1110
CAS 110-43-0
n-Amyl methyl ketone3
n-Butyl bromide, see 1-Bromobutane
n-Butyl chloride, see Chlorobutanes
UN 2743n-Butyl chloroformate6.1
UN 1128n-Butyl formate3
UN 2485
CAS 111-36-4
n-Butyl isocyanate6.1
UN 2227
CAS 97-88-1
n-Butyl methacrylate, stabilized3
n-Butyl peroxydicarbonate, with more than 52 percent in solutionForbidden
UN 1125
CAS 109-73-9
n-Butylamine3
UN 2738N-Butylaniline6.1
UN 2247n-Decane3
UN 2274N-Ethyl-N-benzylaniline6.1
UN 2272
CAS 103-69-5
N-Ethylaniline6.1
UN 2753N-Ethylbenzyltoluidines liquid6.1
UN 3460N-Ethylbenzyltoluidines, solid6.1
UN 2754
CAS 102-27-2
N-Ethyltoluidines6.1
UN 3056n-Heptaldehyde3
UN 2278n-Heptene3
UN 2294N-Methylaniline6.1
UN 2945
CAS 110-68-9
N-Methylbutylamine3
UN 2690N-n-Butyl imidazole6.1
N-Nitro-N-methylglycolamide nitrateForbidden
N-NitroanilineForbidden
UN 1274
CAS 71-23-8
n-Propanol or Propyl alcohol, normal3
UN 1276
CAS 109-60-4
n-Propyl acetate3
UN 2364
CAS 103-65-1
n-Propyl benzene3
UN 2740
CAS 109-61-5
n-Propyl chloroformate6.1
UN 2482n-Propyl isocyanate6.1
UN 1865
CAS 627-13-4
n-Propyl nitrate3
Naphtha see Petroleum distillates n.o.s.
Naphthalene diozonideForbidden
UN 1334
CAS 608-93-5
Naphthalene, crude or Naphthalene, refined4.1
UN 2304
CAS 91-20-3
Naphthalene, molten4.1
NaphthylamineperchlorateForbidden
UN 1651
CAS 86-88-4
Naphthylthiourea6.1
UN 1652Naphthylurea6.1
Natural gases (with high methane content), see Methane, etc. (UN 1971, UN 1972)
Neohexane, see Hexanes
UN 1065Neon, compressed2.2
UN 1913Neon, refrigerated liquid (cryogenic liquid)2.2
New explosive or explosive device, see §§173.51 and 173.56
UN 1259
CAS 13463-39-3
Nickel carbonyl6.1
UN 1653
CAS 557-19-7
Nickel cyanide6.1
UN 2725
CAS 13138-45-9
Nickel nitrate5.1
UN 2726Nickel nitrite5.1
Nickel picrateForbidden
UN 1654
CAS 54-11-5
Nicotine6.1
UN 3144Nicotine compounds, liquid, n.o.s. or Nicotine preparations, liquid, n.o.s6.1
UN 1655Nicotine compounds, solid, n.o.s. or Nicotine preparations, solid, n.o.s6.1
UN 1655Nicotine compounds, solid, n.o.s. or Nicotine preparations, solid, n.o.s.6.1
UN 1656Nicotine hydrochloride liquid or solution6.1
UN 3444Nicotine hydrochloride, solid6.1
UN 1657Nicotine salicylate6.1
UN 1658
CAS 65-30-5
Nicotine sulfate solution6.1
UN 3445Nicotine sulphate, solid6.1
UN 1659
CAS 65-31-6
Nicotine tartrate6.1
Nitrated paper (unstable)Forbidden
Nitrates of diazonium compoundsForbidden
UN 3218Nitrates, inorganic, aqueous solution, n.o.s.5.1
UN 1477Nitrates, inorganic, n.o.s.5.1
UN 1826Nitrating acid mixtures spent with not more than 50 percent nitric acid8
UN 1796Nitrating acid mixtures with more than 50 percent nitric acid8
UN 1796Nitrating acid mixtures with not more than 50 percent nitric acid8
UN 1826Nitrating acid mixtures, spent with more than 50 percent nitric acid8
UN 2031
CAS 7697-37-2
Nitric acid other than red fuming with not more than 20 percent nitric acid8
UN 2031
CAS 7697-37-2
Nitric acid other than red fuming, with at least 65 percent, but not more than 70 percent nitric acid8
UN 2031
CAS 7697-37-2
Nitric acid other than red fuming, with more than 20 percent and less than 65 percent nitric acid8
UN 2031
CAS 7697-37-2
Nitric acid other than red fuming, with more than 70 percent nitric acid8
UN 2032Nitric acid, red fuming8
UN 1975Nitric oxide and dinitrogen tetroxide mixturesor Nitric oxide and nitrogen dioxide mixtures2.3
UN 1660
CAS 10102-43-9
Nitric oxide, compressed2.3
UN 3273Nitriles, flammable, toxic, n.o.s.3
UN 3276Nitriles, liquid, toxic, n.o.s.6.1
UN 3439Nitriles, solid, toxic, n.o.s.6.1
UN 3275Nitriles, toxic, flammable, n.o.s.6.1
UN 3219Nitrites, inorganic, aqueous solution, n.o.s5.1
UN 2627Nitrites, inorganic, n.o.s5.1
Nitro isobutane triol trinitrateForbidden
UN 0147Nitro urea1.1D
UN 1661
CAS 100-01-6
Nitroanilines (o-; m-; p-;)6.1
UN 2730
CAS 91-23-6
Nitroanisole, liquid6.1
UN 3458Nitroanisoles, solid6.1
UN 1662
CAS 98-95-3
Nitrobenzene6.1
UN 2305Nitrobenzenesulfonic acid8
Nitrobenzol, see Nitrobenzene
UN 2306Nitrobenzotrifluorides, liquid6.1
UN 3431Nitrobenzotrifluorides, solid6.1
UN 2732Nitrobromobenzenes, liquid6.1
UN 3459Nitrobromobenzenes, solid6.1
UN 3270Nitrocellulose membrane filters, with not more than 12.6% nitrogen, by dry mass4.1
UN 2556Nitrocellulose with alcohol with not less than 25 percent alcohol by mass, and with not more than 12.6 percent nitrogen, by dry mass4.1
UN 2555Nitrocellulose with water with not less than 25 percent water by mass4.1
UN 0340
CAS 9004-70-0
Nitrocellulose, dry or wetted with less than 25 percent water (or alcohol), by mass1.1D
UN 0343Nitrocellulose, plasticized with not less than 18 percent plasticizing substance, by mass1.3C
UN 2059Nitrocellulose, solution, flammable with not more than 12.6 percent nitrogen, by mass, and not more than 55 percent nitrocellulose3
UN 0341Nitrocellulose, unmodified or plasticized with less than 18 percent plasticizing substance, by mass1.1D
UN 0342Nitrocellulose, wetted with not less than 25 percent alcohol, by mass1.3C
UN 2557Nitrocellulose, with not more than 12.6 percent nitrogen, by dry mass mixture with or without plasticizer, with or without pigment4.1
Nitrochlorobenzene, see Chloronitrobenzenes etc
UN 3434Nitrocresols, liquid6.1
UN 2446Nitrocresols, solid6.1
UN 2842
CAS 79-24-3
Nitroethane3
Nitroethyl nitrateForbidden
Nitroethylene polymerForbidden
Nitrogen dioxide, see Dinitrogen tetroxide
Nitrogen fertilizer solution, see Fertilizer ammoniating solution etc
Nitrogen peroxide, see Dinitrogen tetroxide
Nitrogen tetroxide and nitric oxide mixtures, see Nitric oxide and nitrogen tetroxide mixtures
Nitrogen tetroxide, see Dinitrogen tetroxide
Nitrogen trichlorideForbidden
UN 2451
CAS 7783-54-2
Nitrogen trifluoride2.2
Nitrogen triiodideForbidden
Nitrogen triiodide monoamineForbidden
UN 2421Nitrogen trioxide2.3
UN 1066
CAS 7727-37-9
Nitrogen, compressed2.2
UN 1977Nitrogen, refrigerated liquid cryogenic liquid2.2
UN 3343Nitroglycerin mixture, desensitized, liquid, flammable, n.o.s. with not more than 30 percent nitroglycerin, by mass3
UN 3357Nitroglycerin mixture, desensitized, liquid, n.o.s. with not more than 30% nitroglycerin, by mass3
UN 3319Nitroglycerin mixture, desensitized, solid, n.o.s. with more than 2 percent but not more than 10 percent nitroglycerin, by mass4.1
UN 1204Nitroglycerin solution in alcohol with not more than 1 percent nitroglycerin3
UN 0143
CAS 55-63-0
Nitroglycerin, desensitized with not less than 40 percent non-volatile water insoluble phlegmatizer, by mass1.1D
Nitroglycerin, liquid, not desensitizedForbidden
UN 0144Nitroglycerin, solution in alcohol, with more than 1 percent but not more than 10 percent nitroglycerin1.1D
UN 3064Nitroglycerin, solution in alcohol, with more than 1 percent but not more than 5 percent nitroglycerin3
Nitroguanidine nitrateForbidden
UN 0282Nitroguanidine or Picrite, dry or wetted with less than 20 percent water, by mass1.1D
UN 1336Nitroguanidine, wetted or Picrite, wetted with not less than 20 percent water, by mass4.1
UN 1798Nitrohydrochloric acid8
Nitromannite (dry)Forbidden
Nitromannite, wetted, see Mannitol hexanitrate, etc
UN 1261
CAS 75-52-5
Nitromethane3
Nitromuriatic acid, see Nitrohydrochloric acid
UN 2538
CAS 86-57-7
Nitronaphthalene4.1
UN 1663
CAS 100-02-7
Nitrophenols (o-; m-; p-;)6.1
UN 2608
CAS 108-03-2
Nitropropanes3
UN 0146Nitrostarch, dry or wetted with less than 20 percent water, by mass1.1D
UN 1337Nitrostarch, wetted with not less than 20 percent water, by mass4.1
Nitrosugars (dry)Forbidden
UN 1069
CAS 2696-92-6
Nitrosyl chloride2.3
UN 2308Nitrosylsulfuric acid, liquid8
UN 3456Nitrosylsulphuric acid, solid8
UN 1664
CAS 88-72-2
Nitrotoluenes, liquid6.1
UN 3446Nitrotoluenes, solid6.1
UN 2660
CAS 99-55-8
Nitrotoluidines (mono)6.1
UN 0490Nitrotriazolone or NTO1.1D
UN 1070
CAS 10024-97-2
Nitrous oxide2.2
UN 2201Nitrous oxide, refrigerated liquid2.2
UN 1665Nitroxylenes, liquid6.1
UN 3447Nitroxylenes, solid6.1
Nitroxylol, see Nitroxylenes
Non-flammable gas, n.o.s., see Compressed gas, etc. or Liquefied gas, etc
UN 1920
CAS 111-84-2
Nonanes3
Nonliquefied gases, see Compressed gases, etc
Nonliquefied hydrocarbon gas, see Hydrocarbon gas mixture, compressed, n.o.s.
UN 1799
CAS 5283-67-0
Nonyltrichlorosilane8
Nordhausen acid, see Sulfuric acid, fuming etc