Index of Hazardous Materials

CAS/UN/NA-NumberNameHazard Class
UN 31591,1,1,2-Tetrafluoroethane or Refrigerant gas R 134a2.2
UN 2831
CAS 71-55-6
1,1,1-Trichloroethane6.1
UN 20351,1,1-Trifluoroethane or Refrigerant gas, R 143a2.1
UN 1702
CAS 630-20-6
1,1,2,2-Tetrachloroethane6.1
UN 2650
CAS 594-72-9
1,1-Dichloro-1-nitroethane6.1
UN 23621,1-Dichloroethane3
UN 10301,1-Difluoroethane or Refrigerant gas R 152a2.1
UN 1959
CAS 75-38-7
1,1-Difluoroethylene or Refrigerant gas R 1132a2.1
UN 2377
CAS 534-15-6
1,1-Dimethoxyethane3
1,1-Dinitroethane (dry)Forbidden
1,1′-DiazoaminonaphthaleneForbidden
UN 2498
CAS 100-50-5
1,2,3,6-Tetrahydrobenzaldehyde3
UN 24101,2,3,6-Tetrahydropyridine3
1,2,4-Butanetriol trinitrateForbidden
UN 3022
CAS 106-88-7
1,2-Butylene oxide, stabilized3
UN 23721,2-Di-(dimethylamino)ethane3
1,2-DiazidoethaneForbidden
UN 26481,2-Dibromobutan-3-one6.1
1,2-Dibromoethane, see Ethylene dibromide
UN 1958
CAS 76-14-2
1,2-Dichloro-1,1,2,2- tetrafluoroethane or Refrigerant gas R 1142.2
1,2-Dichloroethane, see Ethylene dichloride
UN 1150
CAS 156-59-2
1,2-Dichloroethylene3
UN 1279
CAS 78-87-5
1,2-Dichloropropane3
UN 2252
CAS 110-71-4
1,2-Dimethoxyethane3
1,2-DinitroethaneForbidden
UN 27521,2-Epoxy-3-ethoxypropane3
UN 22581,2-Propylenediamine8
1,3,5-Trimethyl-2,4,6-trinitrobenzeneForbidden
UN 23251,3,5-Trimethylbenzene3
1,3,5-TrinitronaphthaleneForbidden
1,3-DiazopropaneForbidden
UN 26491,3-Dichloroacetone6.1
UN 2750
CAS 96-23-1
1,3-Dichloropropanol-26.1
UN 23791,3-Dimethylbutylamine3
1,3-Dinitro-4,5-dinitrosobenzeneForbidden
1,3-Dinitro-5,5-dimethyl hydantoinForbidden
UN 2716
CAS 110-65-6
1,4-Butynediol6.1
1,4-Dinitro-1,1,4,4-tetramethylolbutanetetranitrate (dry)Forbidden
UN 2518
CAS 4904-61-4
1,5,9-Cyclododecatriene6.1
1,7-Octadine-3,5-diyne-1,8-dimethoxy-9-octadecynoic acidForbidden
1,8-Dihydroxy-2,4,5,7-tetranitroanthraquinone (chrysamminic acid)Forbidden
1,9-Dinitroxy pentamethylene-2,4, 6,8-tetramine (dry)Forbidden
1-Aziridinylphosphine oxide-(tris), see Tris-(1-aziridinyl) phosphine oxide, solution
UN 2688
CAS 109-70-6
1-Bromo-3-chloropropane6.1
UN 23411-Bromo-3-methylbutane3
1-Bromo-3-nitrobenzene (unstable at 56 degrees C)Forbidden
UN 1126
CAS 109-65-9
1-Bromobutane3
UN 2517
CAS 75-68-3
1-Chloro-1,1-difluoroethane or Refrigerant gas R 142b2.1
UN 10211-Chloro-1,2,2,2-tetrafluoroethaneor Refrigerant gas R 1242.2
UN 19831-Chloro-2,2,2-trifluoroethane or Refrigerant gas R 133a2.2
UN 1278
CAS 540-54-5
1-Chloropropane3
UN 23861-Ethylpiperidine3
UN 23701-Hexene3
UN 05081-Hydroxybenzotriazole, anhydrous, dry or wetted with less than 20 percent water, by mass1.3C
UN 34741-Hydroxybenzotriazole, monohydrate4.1
UN 3092
CAS 107-98-2
1-Methoxy-2-propanol3
UN 23991-Methylpiperidine3
1-NitrohydantoinForbidden
UN 11081-Pentene (n-amylene)3
UN 27051-Pentol8
UN 05041H-Tetrazole1.1D