| CAS/UN/NA-Number | Name | Hazard Class |
|---|
UN 1400
CAS 7440-39-3 | Barium | 4.3 |
| UN 1854 | Barium alloys, pyrophoric | 4.2 |
| UN 0224 | Barium azide, dry or wetted with less than 50 percent water, by mass | 1.1A |
| UN 1571 | Barium azide, wetted with not less than 50 percent water, by mass | 4.1 |
| UN 2719 | Barium bromate | 5.1 |
UN 1445
CAS 13477-00-4 | Barium chlorate, solid | 5.1 |
| UN 3405 | Barium chlorate, solution | 5.1 |
UN 1564
CAS 10294-40-3 | Barium compounds, n.o.s | 6.1 |
UN 1565
CAS 542-62-1 | Barium cyanide | 6.1 |
| UN 2741 | Barium hypochlorite with more than 22 percent available chlorine | 5.1 |
UN 1446
CAS 10022-31-8 | Barium nitrate | 5.1 |
| UN 1884 | Barium oxide | 6.1 |
| UN 1447 | Barium perchlorate, solid | 5.1 |
| UN 3406 | Barium perchlorate, solution | 5.1 |
UN 1448
CAS 7787-36-2 | Barium permanganate | 5.1 |
UN 1449
CAS 1304-29-6 | Barium peroxide | 5.1 |
| Barium selenate, see Selenates or Selenites | |
| Barium selenite, see Selenates or Selenites | |
| UN 3292 | Batteries, containing sodium | 4.3 |
| UN 3028 | Batteries, dry, containing potassium hydroxide solid, electric storage | 8 |
| Batteries, dry, sealed, n.o.s. | |
| UN 3496 | Batteries, nickel-metal hydride see Batteries, dry, sealed, n.o.s. for nickel-metal hydride batteries transported by modes other than vessel | 9 |
| UN 2794 | Batteries, wet, filled with acid, electric storage | 8 |
| UN 2795 | Batteries, wet, filled with alkali, electric storage | 8 |
| UN 2800 | Batteries, wet, non-spillable, electric storage | 8 |
UN 2796
CAS 7664-93-9 | Battery fluid, acid | 8 |
| UN 2797 | Battery fluid, alkali | 8 |
| Battery lithium type, see Lithium batteries etc | |
| Battery, wet, filled with acid or alkali with vehicle or mechanical equipment containing an internal combustion engine, see Vehicle, etc. or Engines, internal combustion, etc | |
| UN 3171 | Battery-powered vehicle or Battery-powered equipment | 9 |
UN 1990
CAS 100-52-7 | Benzaldehyde | 9 |
UN 1114
CAS 71-43-2 | Benzene | 3 |
| Benzene diazonium chloride (dry) | Forbidden |
| Benzene diazonium nitrate (dry) | Forbidden |
| Benzene phosphorus dichloride, see Phenyl phosphorus dichloride | |
| Benzene phosphorus thiodichloride, see Phenyl phosphorus thiodichloride | |
UN 2225
CAS 98-09-9 | Benzene sulfonyl chloride | 8 |
| Benzene triozonide | Forbidden |
| Benzenethiol, see Phenyl mercaptan | |
UN 1885
CAS 92-87-5 | Benzidine | 6.1 |
| Benzol, see Benzene | |
| UN 2224 | Benzonitrile | 6.1 |
UN 2587
CAS 106-51-4 | Benzoquinone | 6.1 |
UN 2226
CAS 98-07-7 | Benzotrichloride | 8 |
UN 2338
CAS 98-08-8 | Benzotrifluoride | 3 |
| Benzoxidiazoles (dry) | Forbidden |
| Benzoyl azide | Forbidden |
UN 1736
CAS 98-88-4 | Benzoyl chloride | 8 |
| UN 1737 | Benzyl bromide | 6.1 |
UN 1738
CAS 100-44-7 | Benzyl chloride | 6.1 |
UN 1738
CAS 100-44-7 | Benzyl chloride unstabilized | 6.1 |
UN 1739
CAS 501-53-1 | Benzyl chloroformate | 8 |
| UN 2653 | Benzyl iodide | 6.1 |
| UN 2619 | Benzyldimethylamine | 8 |
UN 1886
CAS 98-87-3 | Benzylidene chloride | 6.1 |
UN 1566
CAS 1304-56-9 | Beryllium compounds, n.o.s | 6.1 |
UN 2464
CAS 13597-99-4 | Beryllium nitrate | 5.1 |
UN 1567
CAS 7440-41-7 | Beryllium, powder | 6.1 |
| UN 3411 | beta-Naphthylamine solution | 6.1 |
UN 1650
CAS 91-59-8 | beta-Naphthylamine, solid | 6.1 |
| UN 2251 | Bicyclo [2,2,1] hepta-2,5-diene, stabilized or 2,5-Norbornadiene, stabilized | 3 |
| UN 3373 | Biological substance, Category B | 6.2 |
| Biphenyl triozonide | Forbidden |
UN 2782
CAS 4685-14-7 | Bipyridilium pesticides, liquid, flammable, toxic, flash point less than 23 degrees C | 3 |
UN 3016
CAS 4685-14-7 | Bipyridilium pesticides, liquid, toxic | 6.1 |
UN 3015
CAS 4685-14-7 | Bipyridilium pesticides, liquid, toxic, flammable, flash point not less than 23 degrees C | 6.1 |
UN 2781
CAS 4685-14-7 | Bipyridilium pesticides, solid, toxic | 6.1 |
| Bis (Aminopropyl) piperazine, see Corrosive liquid, n.o.s. | |
| UN 2837 | Bisulfate, aqueous solution | 8 |
UN 2693
CAS 10192-30-0 | Bisulfites, aqueous solutions, n.o.s. | 8 |
| NA 0027 | Black powder for small arms | 4.1 |
| UN 0027 | Black powder or Gunpowder, granular or as a meal | 1.1D |
| UN 0028 | Black powder, compressed or Gunpowder, compressed or Black powder, in pellets or Gunpowder, in pellets | 1.1D |
| Blasting agent, n.o.s., see Explosives, blasting etc | |
| Blasting cap assemblies, see Detonator assemblies, non-electric, for blasting | |
| Blasting caps, electric, see Detonators, electric for blasting | |
| Blasting caps, non-electric, see Detonators, non-electric, for blasting | |
| Bleaching powder, see Calcium hypochlorite mixtures, etc | |
| UN 0399 | Bombs with flammable liquid, with bursting charge | 1.1J |
| UN 0039 | Bombs, photo-flash | 1.2G |
| UN 2028 | Bombs, smoke, non-explosive, with corrosive liquid, without initiating device | 8 |
| UN 0291 | Bombs, with bursting charge | 1.2F |
| UN 0225 | Boosters with detonator | 1.1B |
| UN 0042 | Boosters, without detonator | 1.1D |
| Borate and chlorate mixtures, see Chlorate and borate mixtures | |
| UN 1312 | Borneol | 4.1 |
UN 2692
CAS 10294-33-4 | Boron tribromide | 8 |
UN 1741
CAS 10294-34-5 | Boron trichloride | 2.3 |
UN 1008
CAS 7637-07-2 | Boron trifluoride | 2.3 |
| UN 1742 | Boron trifluoride acetic acid complex, liquid | 8 |
| UN 3419 | Boron trifluoride acetic acid complex, solid | 8 |
UN 2604
CAS 109-63-7 | Boron trifluoride diethyl etherate | 8 |
UN 2851
CAS 7637-07-2 | Boron trifluoride dihydrate | 8 |
UN 2965
CAS 353-42-4 | Boron trifluoride dimethyl etherate | 4.3 |
| UN 1743 | Boron trifluoride propionic acid complex, liquid | 8 |
| UN 3420 | Boron trifluoride propionic acid complex, solid | 8 |
| UN 3519 | Boron trifluoride, adsorbed | 2.3 |
| Box toe gum, see Nitrocellulose etc | |
| UN 3213 | Bromates, inorganic, aqueous solution, n.o.s | 5.1 |
| UN 1450 | Bromates, inorganic, n.o.s | 5.1 |
UN 1744
CAS 7726-95-6 | Bromine | 8 |
| Bromine azide | Forbidden |
UN 2901
CAS 13863-41-7 | Bromine chloride | 2.3 |
| UN 1745 | Bromine pentafluoride | 5.1 |
UN 1744
CAS 7726-95-6 | Bromine solutions | 8 |
| UN 1746 | Bromine trifluoride | 5.1 |
| UN 1938 | Bromoacetic acid solution | 8 |
| UN 3425 | Bromoacetic acid, solid | 8 |
| UN 1569 | Bromoacetone | 6.1 |
| UN 2513 | Bromoacetyl bromide | 8 |
UN 2514
CAS 108-86-1 | Bromobenzene | 3 |
| UN 1694 | Bromobenzyl cyanides, liquid | 6.1 |
| UN 3449 | Bromobenzyl cyanides, solid | 6.1 |
UN 1887
CAS 74-97-5 | Bromochloromethane | 6.1 |
UN 2515
CAS 75-25-2 | Bromoform | 6.1 |
UN 2342
CAS 507-19-7 | Bromomethylpropanes | 3 |
UN 2344
CAS 106-94-5 | Bromopropanes | 3 |
| Bromosilane | Forbidden |
| Bromotoluene-alpha, see Benzyl bromide | |
| UN 2419 | Bromotrifluoroethylene | 2.1 |
UN 1009
CAS 75-63-8 | Bromotrifluoromethane or Refrigerant gas, R 13B1. | 2.2 |
UN 1570
CAS 357-57-3 | Brucine | 6.1 |
| UN 0043 | Bursters, explosive | 1.1D |
UN 1010
CAS 106-99-0 | Butadienes, stabilized or Butadienes and Hydrocarbon mixture, stabilized containing more than 40% butadienes | 2.1 |
| UN 1011 | Butane see also Petroleum gases, liquefied | 2.1 |
| Butane, butane mixtures and mixtures having similar properties in cartridges each not exceeding 500 grams, see Receptacles, etc | |
UN 2346
CAS 431-03-8 | Butanedione | 3 |
UN 1120
CAS 75-65-0 | Butanols | 3 |
UN 1123
CAS 105-46-4 | Butyl acetates | 3 |
| UN 1718 | Butyl acid phosphate | 8 |
UN 2348
CAS 141-32-2 | Butyl acrylates, stabilized | 3 |
| Butyl alcohols, see Butanols | |
UN 2709
CAS 104-51-8 | Butyl benzenes | 3 |
| Butyl ethers, see Dibutyl ethers | |
| Butyl ethyl ether, see Ethyl butyl ether | |
UN 2347
CAS 109-79-5 | Butyl mercaptan | 3 |
| UN 2350 | Butyl methyl ether | 3 |
| UN 2351 | Butyl nitrites | 3 |
| Butyl phosphoric acid, see Butyl acid phosphate | |
| UN 1914 | Butyl propionates | 3 |
UN 2352
CAS 111-34-2 | Butyl vinyl ether, stabilized | 3 |
UN 1012
CAS 106-98-9 | Butylene see also Petroleum gases, liquefied | 2.1 |
UN 2667
CAS 98-51-1 | Butyltoluenes | 6.1 |
UN 1747
CAS 7521-80-4 | Butyltrichlorosilane | 8 |
UN 1129
CAS 123-72-8 | Butyraldehyde | 3 |
| UN 2840 | Butyraldoxime | 3 |
| UN 2820 | Butyric acid | 8 |
UN 2739
CAS 106-31-0 | Butyric anhydride | 8 |
UN 2411
CAS 109-74-0 | Butyronitrile | 3 |
| UN 2353 | Butyryl chloride | 3 |