HAZARD CLASS 2
Gases
Flammable, non-flammable, and toxic compressed gases
234 ENTRIES IN THIS CLASS
CLASS 2.1 — FLAMMABLE GAS
UN1001Acetylene, Dissolved
UN1010Butadienes, Stabilized
UN1011Butane
UN1012Butylene
UN1027Cyclopropane
UN10301,1-Difluoroethane (R-152a)
UN1032Dimethylamine, Anhydrous
UN1033Dimethyl Ether
UN1035Ethane
UN1036Ethylamine
UN1037Ethyl Chloride
UN1038Ethylene, Refrigerated Liquid
UN1039Ethyl Methyl Ether
UN1041Ethylene oxide and carbon dioxide mixture (>9–87% EO)
UN1044Fire Extinguishers
UN1049Hydrogen, Compressed
UN1055Isobutylene
UN1057Lighters Containing Flammable Gas
UN1060Methylacetylene and Propadiene Mixture
UN1061Methylamine, Anhydrous
UN1063Methyl Chloride (R-40)
UN1075Liquefied Petroleum Gas (LPG)
UN1077Propylene
UN1081Tetrafluoroethylene, Stabilized
UN1083Trimethylamine, Anhydrous
UN1085Vinyl Bromide, Stabilized
UN1086Vinyl Chloride, Stabilized
UN1087Vinyl Methyl Ether, Stabilized
UN1860Vinyl Fluoride, Stabilized
UN1912Methyl Chloride and Methylene Chloride Mixtures
UN1954Compressed Gas, Flammable, n.o.s.
UN1957Deuterium, Compressed
UN19591,1-Difluoroethylene or Refrigerant Gas R 1132a
UN1961Ethane, Refrigerated Liquid
UN1962Ethylene
UN1964Hydrocarbon Gas Mixture, Compressed, n.o.s.
UN1965Hydrocarbon Gas Mixture, Liquefied
UN1966Hydrogen, Refrigerated Liquid
UN1969Isobutane See Also Petroleum Gases, Liquefied
UN1971Natural Gas, Compressed (CNG)
UN1972Natural Gas, Refrigerated Liquid (LNG)
UN1978Propane
UN2034Hydrogen and Methane Mixture, Compressed
UN20351,1,1-Trifluoroethane (R-143a)
UN2037Gas Cartridges
UN20442,2-Dimethylpropane
UN2200Propadiene, Stabilized
UN2203Silane
UN2419Bromotrifluoroethylene
UN2452Ethylacetylene, Stabilized
UN2453Ethyl Fluoride (R-161)
UN2454Methyl Fluoride (R-41)
UN25171-Chloro-1,1-difluoroethane or Refrigerant Gas R 142b
UN2601Cyclobutane
UN3138Ethylene, Acetylene and Propylene in Mixture, Refrigerated Liquid with At Least 71.5 Percent Ethylene with Not More Than 22.5 Percent Acetylene and Not More Than 6 Percent Propylene
UN3150Devices, Small, Hydrocarbon Gas Powered or Hydrocarbon Gas Refills for Small Devices with Release Device
UN3153Perfluoro(methyl Vinyl Ether)
UN3154Perfluoro(ethyl Vinyl Ether)
UN3161Liquefied Gas, Flammable, n.o.s.
UN3167Gas Sample, Non-Pressurized, Flammable, n.o.s.
UN3252Difluoromethane
UN3312Gas, Refrigerated Liquid, Flammable, n.o.s. (cryogenic Liquid)
UN3354Insecticide Gases, Flammable, n.o.s.
UN3358Refrigerating Machines, Containing Flammable, Non-toxic, Liquefied Gas
UN3468Hydrogen in A Metal Hydride Storage System or Hydrogen in A Metal Hydride Storage System Contained in Equipment or Hydrogen in A Metal Hydride Storage System Packed with Equipment
UN3478Fuel Cell Cartridges or Fuel Cell Cartridges Contained in Equipment or Fuel Cell Cartridges Packed with Equipment, Containing Liquefied Flammable Gas
UN3479Fuel Cell Cartridges or Fuel Cell Cartridges Contained in Equipment or Fuel Cell Cartridges Packed with Equipment, Containing Hydrogen in Metal Hydride
UN3501Chemical Under Pressure, Flammable, n.o.s.
UN3504Chemical Under Pressure, Flammable, Toxic, n.o.s.
UN3505Chemical Under Pressure, Flammable, Corrosive, n.o.s.
UN3510Adsorbed Gas, Flammable, n.o.s.
UN3529Engine, Internal Combustion, Flammable Gas Powered or Engine, Fuel Cell, Flammable Gas Powered or Machinery, Internal Combustion, Flammable Gas Powered or Machinery, Fuel Cell, Flammable Gas Powered
UN3537Articles Containing Flammable Gas, n.o.s.
CLASS 2.2 — NON
UN1002Air, Compressed
UN1003Air, Refrigerated Liquid
UN1006Argon, Compressed
UN1009Bromotrifluoromethane (R-13B1)
UN1013Carbon Dioxide
UN1018Chlorodifluoromethane (R-22)
UN1020Chloropentafluoroethane
UN10211-Chloro-1,2,2,2-tetrafluoroethane
UN1022Chlorotrifluoromethane or Refrigerant Gas R 13
UN1028Dichlorodifluoromethane (R-12)
UN1029Dichlorofluoromethane or Refrigerant Gas R21
UN1043Fertilizer ammoniating solution with free ammonia
UN1046Helium, Compressed
UN1056Krypton, Compressed
UN1058Liquefied Gases, Non-Flammable
UN1065Neon, Compressed
UN1066Nitrogen, Compressed
UN1070Nitrous Oxide, Compressed
UN1072Oxygen, Compressed
UN1073Oxygen, Refrigerated Liquid (LOX)
UN1078Refrigerant Gases, n.o.s.
UN1080Sulfur Hexafluoride
UN1858Hexafluoropropylene Compressed or Refrigerant Gas R 1216
UN1913Neon, Refrigerated Liquid (cryogenic Liquid)
UN1950Aerosols
UN1951Argon, Refrigerated Liquid
UN1952Ethylene Oxide and Carbon Dioxide Mixtures with Not More Than 9 Percent Ethylene Oxide
UN1956Compressed gas, n.o.s.
UN19581,2-Dichloro-1,1,2,2- Tetrafluoroethane or Refrigerant Gas R 114
UN1963Helium, Refrigerated Liquid
UN1968Insecticide Gases, n.o.s.
UN1970Krypton, Refrigerated Liquid
UN1973Chlorodifluoromethane and Chloropentafluoroethane Mixture or Refrigerant Gas R 502 with Fixed Boiling Point, with Approximately 49 Percent Chlorodifluoromethane
UN1974Chlorodifluorobromomethane or Refrigerant Gas R 12B1
UN1976Octafluorocyclobutane, or Refrigerant Gas RC 318
UN1977Nitrogen, Refrigerated Liquid
UN1982Tetrafluoromethane or Refrigerant Gas R 14
UN19831-Chloro-2,2,2-trifluoroethane or Refrigerant Gas R 133a
UN1984Trifluoromethane or Refrigerant Gas R 23
UN2036Xenon, Compressed
UN2073Ammonia Solution, Relative Density 0.880-0.957
UN2187Carbon Dioxide, Refrigerated Liquid
UN2193Hexafluoroethane, or Refrigerant Gas R 116
UN2201Nitrous Oxide, Refrigerated Liquid
UN2422Octafluorobut-2-ene or Refrigerant Gas R 1318
UN2424Octafluoropropane or Refrigerant Gas R 218
UN2451Nitrogen Trifluoride
UN2591Xenon, Refrigerated Liquid (cryogenic Liquids)
UN2599Chlorotrifluoromethane and Trifluoromethane Azeotropic Mixture or Refrigerant Gas R 503 with Approximately 60 Percent Chlorotrifluoromethane
UN2602Dichlorodifluoromethane and Difluoroethane Azeotropic Mixture or Refrigerant Gas R 500 with Approximately 74 Percent Dichlorodifluoromethane
UN2857Refrigerating machines (non-flammable gas or ammonia)
UN3070Ethylene Oxide and Dichlorodifluoromethane Mixture, with Not More Than 12.5 Percent Ethylene Oxide
UN3136Trifluoromethane, Refrigerated Liquid
UN3156Compressed Gas, Oxidizing, n.o.s.
UN3157Liquefied Gas, Oxidizing, n.o.s.
UN3158Gas, Refrigerated Liquid, n.o.s. (cryogenic Liquid)
UN31591,1,1,2-Tetrafluoroethane
UN3163Liquefied Gas, n.o.s.
UN3164Articles, Pressurized Pneumatic or Hydraulic Containing Non-flammable Gas
UN3220Pentafluoroethane or Refrigerant Gas R 125
UN3296Heptafluoropropane or Refrigerant Gas R 227
UN3297Ethylene Oxide and Chlorotetrafluoroethane Mixture with Not More Than 8.8 Percent Ethylene Oxide
UN3298Ethylene Oxide and Pentafluoroethane Mixture with Not More Than 7.9 Percent Ethylene Oxide
UN3299Ethylene Oxide and Tetrafluoroethane Mixture with Not More Than 5.6 Percent Ethylene Oxide
UN3311Gas, Refrigerated Liquid, Oxidizing, n.o.s. (cryogenic Liquid)
UN3337Refrigerant Gas R 404A
UN3338Refrigerant Gas R 407A
UN3339Refrigerant Gas R 407B
UN3340Refrigerant Gas R 407C
UN3500Chemical Under Pressure, n.o.s.
UN3502Chemical Under Pressure, Toxic, n.o.s.
UN3503Chemical Under Pressure, Corrosive, n.o.s.
UN3511Adsorbed Gas, n.o.s.
UN3513Adsorbed Gas, Oxidizing, n.o.s.
UN3538Articles Containing Non-flammable, Non-toxic Gas, n.o.s.
CLASS 2.3 — TOXIC GAS
UN1005Anhydrous Ammonia
UN1008Boron Trifluoride
UN1016Carbon Monoxide, Compressed
UN1017Chlorine
UN1023Coal Gas, Compressed
UN1026Cyanogen
UN1040Ethylene Oxide with Nitrogen
UN1045Fluorine, Compressed
UN1048Hydrogen Bromide, Anhydrous
UN1050Hydrogen Chloride, Anhydrous
UN1053Hydrogen Sulfide
UN1062Methyl Bromide
UN1064Methyl Mercaptan
UN1067Dinitrogen Tetroxide (NO2)
UN1069Nitrosyl Chloride
UN1071Oil Gas, Compressed
UN1076Phosgene
UN1079Sulfur Dioxide
UN1082Trifluorochloroethylene
UN1581Chloropicrin and Methyl Bromide Mixtures
UN1582Chloropicrin and Methyl Chloride Mixtures
UN1589Cyanogen Chloride, Stabilized
UN1612Hexaethyl tetraphosphate and compressed gas mixtures
UN1660Nitric oxide, compressed
UN1741Boron Trichloride
UN1749Chlorine Trifluoride
UN1859Silicon Tetrafluoride
UN1911Diborane
UN1953Compressed Gas, Toxic, Flammable, n.o.s.
UN1955Compressed Gas, Toxic, n.o.s.
UN1967Insecticide Gases, Toxic, n.o.s.
UN1975Nitric Oxide and Dinitrogen Tetroxide Mixture
UN2186Hydrogen Chloride, Refrigerated Liquid
UN2188Arsine
UN2189Dichlorosilane
UN2190Oxygen Difluoride, Compressed
UN2191Sulfuryl Fluoride
UN2192Germane
UN2194Selenium Hexafluoride
UN2195Tellurium Hexafluoride
UN2196Tungsten Hexafluoride
UN2197Hydrogen Iodide, Anhydrous
UN2198Phosphorus Pentafluoride
UN2199Phosphine
UN2202Hydrogen Selenide, Anhydrous
UN2204Carbonyl Sulfide
UN2417Carbonyl Fluoride
UN2418Sulfur Tetrafluoride
UN2420Hexafluoroacetone
UN2421Nitrogen Trioxide
UN2534Methylchlorosilane
UN2548Chlorine Pentafluoride
UN2676Stibine
UN2901Bromine Chloride
UN3057Trifluoroacetyl Chloride
UN3083Perchloryl Fluoride
UN3160Liquefied Gas, Toxic, Flammable, n.o.s. Inhalation Hazard Zone A
UN3162Liquefied Gas, Toxic, n.o.s. Inhalation Hazard Zone A
UN3168Gas Sample, Non-pressurized, Toxic, Flammable, n.o.s., Not Refrigerated Liquid
UN3169Gas Sample, Non-Pressurized, Toxic, n.o.s.
UN3300Ethylene Oxide and Carbon Dioxide Mixture
UN3303Compressed Gas, Toxic, Oxidizing, n.o.s. Inhalation Hazard Zone A
UN3304Compressed Gas, Toxic, Corrosive, n.o.s. Inhalation Hazard Zone A
UN3305Compressed Gas, Toxic, Flammable, Corrosive, n.o.s. Inhalation Hazard Zone A
UN3306Compressed Gas, Toxic, Oxdizing, Corrosive, n.o.s. Inhalation Hazard Zone A
UN3307Liquefied Gas, Toxic, Oxidizing, n.o.s. Inhalation Hazard Zone A
UN3308Liquefied Gas, Toxic, Corrosive, n.o.s. Inhalation Hazard Zone A
UN3309Liquefied Gas, Toxic, Flammable, Corrosive, n.o.s. Inhalation Hazard Zone A
UN3310Liquefied Gas, Toxic, Oxidizing, Corrosive, n.o.s. Inhalation Hazard Zone A
UN3318Ammonia Solution, Relative Density Less Than 0.880
UN3355Insecticide Gases, Toxic, Flammable, n.o.s. Inhalation Hazard Zone A
UN3512Adsorbed Gas, Toxic, n.o.s. Inhalation Hazard Zone A
UN3514Adsorbed Gas, Toxic, Flammable, n.o.s. Inhalation Hazard Zone A
UN3515Adsorbed Gas, Toxic, Oxidizing, n.o.s. Inhalation Hazard Zone A
UN3516Adsorbed Gas, Toxic, Corrosive, n.o.s. Inhalation Hazard Zone A
UN3517Adsorbed Gas, Toxic, Flammable, Corrosive, n.o.s. Inhalation Hazard Zone A
UN3518Adsorbed Gas, Toxic, Oxidizing, Corrosive, n.o.s. Inhalation Hazard Zone A
UN3519Boron Trifluoride, Adsorbed
UN3520Chlorine, Adsorbed
UN3521Silicon Tetrafluoride, Adsorbed
UN3522Arsine, Adsorbed
UN3523Germane, Adsorbed
UN3524Phosphorus Pentafluoride, Adsorbed
UN3525Phosphine, Adsorbed
UN3526Hydrogen Selenide, Adsorbed
UN3539Articles Containing Toxic Gas, n.o.s.
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