U.S. Code of Federal Regulations Title 49 Section 172 shipping regulations and proper shipping names of class 2 Compressed Gasses.



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Hazardous materials description and proper shipping names | Haz class or div | ID# | PG | LC | Spec prov §172.102 | Pack §173 | Qty limit | Vessel | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Excep | Non Bulk | Bulk | Pass air/rail | Cargo air only | Loc | Other | |||||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8A) | (8B) | (8C) | (9A) | (9B) | (10A) | (10B) |
| Current as of January 2006 | |||||||||||||
| Acetylene, dissolved | 2.1 | UN1001 | 2.1 | None | 303 | None | Forbid | 15 kg | D | 25, 40, 57 | |||
| Aerosols, flammable, (each not exceeding 1 L capacity) | 2.1 | UN1950 | 2.1 | 153, N82 | 306 | None | None | 75 kg | 150 kg | A | 48, 87, 126 | ||
| Aerosols, flammable, n.o.s. (engine starting fluid) (each not exceeding 1 L capacity) | 2.1 | UN1950 | 2.1 | 153, N82 | 306 | 304 | None | Forbid | 150 kg | A | 48, 87, 126 | ||
| Bromotrifluoroethylene | 2.1 | UN2419 | 2.1 | None | 304 | 314, 315 | Forbid | 150 kg | B | 40 | |||
| Butadienes, stabilized or Butadienes and Hydrocarbon mixture, stabilized containing more than 40% butadienes | 2.1 | UN1010 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | B | 40 | ||
| Butane see also Petroleum gases, liquefied | 2.1 | UN1011 | 2.1 | 19, T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | ||
| Butylene see also Petroleum gases, liquefied | 2.1 | UN1012 | 2.1 | 19, T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | ||
| 1-Chloro-1, 1-difluoroethane or Refrigerant gas R 142b | 2.1 | UN2517 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | B | 40 | ||
| G | Compressed gas, flammable, n.o.s. | 2.1 | UN1954 | 2.1 | 306 | 302, 305 | 314, 315 | Forbid | 150 kg | D | 40 | ||
| Cyclobutane | 2.1 | UN2601 | 2.1 | 306 | 304 | 314, 315 | Forbid | 150 kg | B | 40 | |||
| Cyclopropane | 2.1 | UN1027 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | ||
| Deuterium, compressed | 2.1 | UN1957 | 2.1 | 306 | 302 | None | Forbid | 150 kg | E | 40 | |||
| Devices, small, hydrocarbon gas powered or Hydrocarbon gas refills for small devices with release device | 2.1 | UN3150 | 2.1 | 306 | 304 | None | 1 kg | 15 kg | B | 40 | |||
| D | Diborane mixtures | 2.1 | NA1911 | 2.1 | 5 | None | 302 | 245 | Forbid | Forbid | D | 40, 57 | |
| 1, 1-Difluoroethane or Refrigerant gas R 152a | 2.1 | UN1030 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | B | 40 | ||
| 1, 1-Difluoroethylene or Refrigerant gas R 1132a | 2.1 | UN1959 | 2.1 | 306 | 304 | None | Forbid | 150 kg | E | 40 | |||
| Difluoromethane or Refrigerant gas R 32 | 2.1 | UN3252 | 2.1 | T50 | 306 | 302 | 314, 315 | Forbid | 150 kg | D | 40 | ||
| Dimethyl ether | 2.1 | UN1033 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | B | 40 | ||
| Dimethylamine, anhydrous | 2.1 | UN1032 | 2.1 | T50 | None | 304 | 314, 315 | Forbid | 150 kg | D | 40 | ||
| 2, 2-Dimethylpropane | 2.1 | UN2044 | 2.1 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | |||
| Ethane | 2.1 | UN1035 | 2.1 | 306 | 304 | 302 | Forbid | 150 kg | E | 40 | |||
| D | Ethane-Propane mixture, refrigerated liquid | 2.1 | NA1961 | 2.1 | T75, TP5 | None | 316 | 314, 315 | Forbid | Forbid | D | 40 | |
| Ethane, refrigerated liquid | 2.1 | UN1961 | 2.1 | T75, TP5 | None | None | 315 | Forbid | Forbid | D | 40 | ||
| Ethyl chloride | 2.1 | UN1037 | 2.1 | B77, T50 | None | 322 | 314, 315 | Forbid | 150 kg | B | 40 | ||
| Ethyl chloride | 2.1 | UN1037 | 2.1 | B77, T50 | None | 322 | 314, 315 | Forbid | 150 kg | B | 40 | ||
| Ethyl fluoride or Refrigerant gas R161 | 2.1 | UN2453 | 2.1 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | |||
| Ethyl methyl ether | 2.1 | UN1039 | 2.1 | None | 201 | 314, 315 | Forbid | 150 kg | B | 40 | |||
| Ethylacetylene, stabilized | 2.1 | UN2452 | 2.1 | None | 304 | 314, 315 | Forbid | 150 kg | B | 40 | |||
| Ethylamine | 2.1 | UN1036 | 2.1 | B77, T50 | None | 321 | 314, 315 | Forbid | 150 kg | D | 40 | ||
| Ethylene, 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 | 2.1 | UN3138 | 2.1 | T75, TP5 | None | 304 | 314, 315 | Forbid | Forbid | D | 40, 57 | ||
| Ethylene | 2.1 | UN1962 | 2.1 | 306 | 304 | 302 | Forbid | 150 kg | E | 40 | |||
| Ethylene oxide and carbon dioxide mixtures with more than 9 percent but not more than 87 percent ethylene oxide | 2.1 | UN1041 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 25 kg | B | 40 | ||
| Ethylene, refrigerated liquid (cryogenic liquid) | 2.1 | UN1038 | 2.1 | T75, TP5 | None | 316 | 318, 319 | Forbid | Forbid | D | 40 | ||
| Gas cartridges, (flammable) without a release device, non-refillable | 2.1 | UN2037 | 2.1 | 306 | 304 | None | 1 kg | 15 kg | B | 40 | |||
| G | Gas, refrigerated liquid, flammable, n.o.s. (cryogenic liquid) | 2.1 | UN3312 | 2.1 | T75, TP5 | None | 316 | 318 | Forbid | Forbid | D | 40 | |
| Gas sample, non-pressurized, flammable, n.o.s., not refrigerated liquid | 2.1 | UN3167 | 2.1 | 306 | 302, 304 | None | 1 L | 5 L | D | ||||
| Hydrocarbon gas mixture, compressed, n.o.s. | 2.1 | UN1964 | 2.1 | 306 | 302 | 314, 315 | Forbid | 150 kg | E | 40 | |||
| Hydrocarbon gas mixture, liquefied, n.o.s. | 2.1 | UN1965 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | ||
| Hydrogen and Methane mixtures, compressed | 2.1 | UN2034 | 2.1 | 306 | 302 | 302, 314, 315 | Forbid | 150 kg | E | 40, 57 | |||
| Hydrogen, compressed | 2.1 | UN1049 | 2.1 | 306 | 302 | 302, 314 | Forbid | 150 kg | E | 40, 57 | |||
| Hydrogen in a metal hydride storage system | 2.1 | UN3468 | 2.1 | 167 | None | 214 | None | Forbid | Forbid | D | |||
| Hydrogen, refrigerated liquid (cryogenic liquid) | 2.1 | UN1966 | 2.1 | T75, TP5 | None | 316 | 318, 319 | Forbid | Forbid | D | 40 | ||
| G | Insecticide gases, flammable, n.o.s. | 2.1 | UN3354 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | D | 40 | |
| Isobutane see also Petroleum gases, liquefied | 2.1 | UN1969 | 2.1 | 19, T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | ||
| Isobutylene see also Petroleum gases, liquefied | 2.1 | UN1055 | 2.1 | 19, T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | ||
| Lighters or Lighter refills containing flammable gas | 2.1 | UN1057 | 2.1 | N10 | None | 21, 308 | None | 1 kg | 15 kg | B | 40 | ||
| G | Liquefied gas, flammable, n.o.s. | 2.1 | UN3161 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | D | 40 | |
| Methane, compressed or Natural gas, compressed (with high methane content) | 2.1 | UN1971 | 2.1 | 306 | 302 | 302 | Forbid | 150 kg | E | 40 | |||
| Methane, refrigerated liquid (cryogenic liquid) or Natural gas, refrigerated liquid (cryogenic liquid) , with high methane content) | 2.1 | UN1972 | 2.1 | T75, TP5 | None | None | 318 | Forbid | Forbid | D | 40 | ||
| Methyl acetylene and propadiene mixtures, stabilized | 2.1 | UN1060 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | B | 40 | ||
| Methyl chloride, or Refrigerant gas R 40 | 2.1 | UN1063 | 2.1 | T50 | 306 | 304 | 314, 315 | 5 kg | 100 kg | D | 40 | ||
| Methyl chloride and methylene chloride mixtures | 2.1 | UN1912 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | D | 40 | ||
| Methyl fluoride, or Refrigerant gas R 41 | 2.1 | UN2454 | 2.1 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | |||
| Methylamine, anhydrous | 2.1 | UN1061 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | B | 40 | ||
| Methylamine, anhydrous | 2.1 | UN1061 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | B | 40 | ||
| Perfluoro(ethyl vinyl ether) | 2.1 | UN3154 | 2.1 | 306 | 302, 304, 305 | 314, 315 | Forbid | 150 kg | E | 40 | |||
| Perfluoro(methyl vinyl ether) | 2.1 | UN3153 | 2.1 | T50 | 306 | 302, 304, 305 | 314, 315 | Forbid | 150 kg | E | 40 | ||
| Petroleum gases, liquefied or Liquefied petroleum gas | 2.1 | UN1075 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | ||
| Petroleum gases, liquefied or Liquefied petroleum gas | 2.1 | UN1075 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | ||
| Petroleum gases, liquefied or Liquefied petroleum gas | 2.1 | UN1075 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | ||
| Propadiene, stabilized | 2.1 | UN2200 | 2.1 | None | 304 | 314, 315 | Forbid | 150 kg | B | 40 | |||
| Propane see also Petroleum gases, liquefied | 2.1 | UN1978 | 2.1 | 19, T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | ||
| Propylene see also Petroleum gases, liquefied | 2.1 | UN1077 | 2.1 | 19, T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | ||
| Receptacles, small, containing gas (gas cartridges) flammable, without release device, not refillable and not exceeding 1 L capacity | 2.1 | UN2037 | 2.1 | 306 | 304 | None | 1 kg | 15 kg | B | 40 | |||
| D | Refrigerant gases, n.o.s. or Dispersant gases, n.o.s. | 2.1 | NA1954 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | D | 40 | |
| Refrigerating machines, containing flammable, non-toxic, liquefied gas | 2.1 | UN3358 | 2.1 | 306 | 306 | 306 | Forbid | Forbid | C | 40 | |||
| Silane | 2.1 | UN2203 | 2.1 | None | 302 | None | Forbid | Forbid | E | 40, 57, 104 | |||
| Tetrafluoroethylene, stabilized | 2.1 | UN1081 | 2.1 | 306 | 304 | None | Forbid | 150 kg | E | 40 | |||
| 1, 1, 1-Trifluoroethane or Refrigerant gas, R 143a | 2.1 | UN2035 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | B | 40 | ||
| Trimethylamine, anhydrous | 2.1 | UN1083 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | B | 40 | ||
| Vinyl bromide, stabilized | 2.1 | UN1085 | 2.1 | T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | B | 40 | ||
| Vinyl chloride, stabilized | 2.1 | UN1086 | 2.1 | 21, B44, T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | B | 40 | ||
| Vinyl fluoride, stabilized | 2.1 | UN1860 | 2.1 | 306 | 304 | 314, 315 | Forbid | 150 kg | E | 40 | |||
| Vinyl methyl ether, stabilized | 2.1 | UN1087 | 2.1 | B44, T50 | 306 | 304 | 314, 315 | Forbid | 150 kg | B | 40 | ||






NOTE: To easily scroll hazardous materials table left or right to see all information, point and click on row you are interested in (not on a link) to highlight it and use the left "<--" or right "-->" arrow buttons on your keyboard (near number keys) to scroll.
![]() |
Hazardous materials description and proper shipping names | Haz class or div | ID# | PG | LC | Spec prov §172.102 | Pack §173 | Qty limit | Vessel | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Excep | Non Bulk | Bulk | Pass air/rail | Cargo air only | Loc | Other | |||||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8A) | (8B) | (8C) | (9A) | (9B) | (10A) | (10B) |
| Current as of January 2006 | |||||||||||||
| Aerosols, corrosive, Packing Group II or III, (each not exceeding 1 L capacity) | 2.2 | UN1950 | 2.2, 8 | 153, A34 | 306 | None | None | 75 kg | 150 kg | A | 48, 87, 126 | ||
| Aerosols, non-flammable, (each not exceeding 1 L capacity) | 2.2 | UN1950 | 2.2 | 153 | 306 | None | None | 75 kg | 150 kg | A | 48, 87, 126 | ||
| Aerosols, poison, each not exceeding 1 L capacity | 2.2 | UN1950 | 2.2, 6.1 | 153 | 306 | None | None | Forbid | Forbid | A | 48, 87, 126 | ||
| Air, compressed | 2.2 | UN1002 | 2.2 | 78 | 306 | 302 | 302 | 75 kg | 150 kg | A | |||
| Air, refrigerated liquid, (cryogenic liquid) | 2.2 | UN1003 | 2.2, 5.1 | T75, TP5, TP22 | 320 | 316 | 318, 319 | Forbid | 150 kg | ||||