Class 2 Gases · IMDG Code 42-24 · 共 237 个 UN 号 · 更新 2026-09-08
| UN 号 | 中文名称 | 英文名称 | 类别 | 包装类别 |
|---|---|---|---|---|
| UN1001 | 乙炔，溶解的 | ACETYLENE, DISSOLVED | 2.1 | — |
| UN1002 | 空气，压缩的 | AIR, COMPRESSED | 2.2 | — |
| UN1003 | 空气，冷冻液体 | AIR, REFRIGERATED LIQUID | 2.2 | — |
| UN1005 | 氨，无水的 | AMMONIA, ANHYDROUS | 2.3 | — |
| UN1006 | 氩，压缩的 | ARGON, COMPRESSED | 2.2 | — |
| UN1008 | 三氟化硼 | BORON TRIFLUORIDE | 2.3 | — |
| UN1009 | 溴三氟甲烷(制冷气体， R13B1) | BROMOTRIFLUOROMETHANE (REFRIGERANT GAS R 13B1) | 2.2 | — |
| UN1010 | 丁二烯类，稳定的或丁二烯和碳氢化合物混合物，稳定的，含丁二烯超过 40% | BUTADIENES, STABILIZED or BUTADIENES AND HYDROCARBON MIXTURE, STABILIZED, containing more than 20% butadienes | 2.1 | — |
| UN1011 | 丁烷 | BUTANE | 2.1 | — |
| UN1012 | 丁烯 | BUTYLENE | 2.1 | — |
| UN1013 | 二氧化碳 | CARBON DIOXIDE | 2.2 | — |
| UN1016 | 一氧化碳，压缩的 | CARBON MONOXIDE, COMPRESSED | 2.3 | — |
| UN1017 | 氯气 | CHLORINE | 2.3 | — |
| UN1018 | 氯二氟甲烷(制冷气体， R22) | CHLORODIFLUOROMETHANE (REFRIGERANT GAS R 22) | 2.2 | — |
| UN1020 | 氯五氟乙烷(制冷气体， R115) | CHLOROPENTAFLUORO- ETHANE (REFRIGERANT GAS R 115) | 2.2 | — |
| UN1021 | 1-氯-1,2,2,2-四氟乙烷(制冷气体，R124) | 1-CHLORO-1,2,2,2-TETRA- FLUOROETHANE (REFRIGERANT GAS R 124) | 2.2 | — |
| UN1022 | 氯三氟甲烷(制冷气体， R13) | CHLOROTRIFLUOROMETHANE (REFRIGERANT GAS R 13) | 2.2 | — |
| UN1023 | 煤气，压缩的 | COAL GAS, COMPRESSED | 2.3 | — |
| UN1026 | 氰 | CYANOGEN | 2.3 | — |
| UN1027 | 环丙烷 | CYCLOPROPANE | 2.1 | — |
| UN1028 | 二氯二氟甲烷(制冷气体，R12) | DICHLORODIFLUOROMETHANE (REFRIGERANT GAS R 12) | 2.2 | — |
| UN1029 | 二氯一氟甲烷(制冷气体，R21) | DICHLOROFLUOROMETHANE (REFRIGERANT GAS R 21) | 2.2 | — |
| UN1030 | 1,1-二氟乙烷(制冷气体，R152a) | 1,1-DIFLUOROETHANE (REFRIGERANT GAS R 152a) | 2.1 | — |
| UN1032 | 二甲胺，无水的 | DIMETHYLAMINE, ANHYDROUS | 2.1 | — |
| UN1033 | 二甲醚 | DIMETHYL ETHER | 2.1 | — |
| UN1035 | 乙烷 | ETHANE | 2.1 | — |
| UN1036 | 乙胺 | ETHYLAMINE | 2.1 | — |
| UN1037 | 乙基氯 | ETHYL CHLORIDE | 2.1 | — |
| UN1038 | 乙烯，冷冻液体 | ETHYLENE, REFRIGERATED LIQUID | 2.1 | — |
| UN1039 | 甲基乙基醚 | ETHYL METHYL ETHER | 2.1 | — |
| UN1040 | 环氧乙烷，或含有氮的环氧乙烷，在时最高总压力为1MPa(10bar) | ETHYLENE OXIDE or ETHYLENE OXIDE WITH NITROGEN up to a total pressure of 1 MPa (10 bar) at 50 C ° | 2.3 | — |
| UN1041 | 环氧乙烷和二氧化碳的混合物，含有环氧乙烷大于 9%但不大于87% | ETHYLENE OXIDE AND CARBON DIOXIDE MIXTURE with more than 9% but not more than 87% ethylene oxide | 2.1 | — |
| UN1043 | 含氨肥料溶液，含有游离氨 | FERTILIZER AMMONIATING SOLUTION with free ammonia | 2.2 | — |
| UN1044 | 灭火器，含有压缩或液化气体 | FIRE EXTINGUISHERS with compressed or liquefied gas | 2.2 | — |
| UN1045 | 氟，压缩的 | FLUORINE, COMPRESSED | 2.3 | — |
| UN1046 | 氦，压缩的 | HELIUM, COMPRESSED | 2.2 | — |
| UN1048 | 溴化氢，无水的 | HYDROGEN BROMIDE, ANHYDROUS | 2.3 | — |
| UN1049 | 氢气，压缩的 | HYDROGEN, COMPRESSED | 2.1 | — |
| UN1050 | 氯化氢，无水的 | HYDROGEN CHLORIDE, ANHYDROUS | 2.3 | — |
| UN1053 | 硫化氢 | HYDROGEN SULPHIDE | 2.3 | — |
| UN1055 | 异丁烯 | ISOBUTYLENE | 2.1 | — |
| UN1056 | 氪，压缩的 | KRYPTON, COMPRESSED | 2.2 | — |
| UN1057 | 打火机或打火机充气筒，装有易燃气体 | LIGHTERS or LIGHTER REFILLS containing flammable gas | 2.1 | — |
| UN1058 | 液化气体，非易燃的，充有氮气、二氧化碳或空气 | LIQUEFIED GASES non-flammable, charged with nitrogen, carbon dioxide or air | 2.2 | — |
| UN1060 | 甲基乙炔和丙二烯混合物，稳定的 | METHYLACETYLENE AND PROPADIENE MIXTURE, STABILIZED | 2.1 | — |
| UN1061 | 甲胺，无水的 | METHYLAMINE, ANHYDROUS | 2.1 | — |
| UN1062 | 甲基溴，含三氯硝基甲烷不大于2.0% | METHYL BROMIDE with not more than 2.0% chloropicrin | 2.3 | — |
| UN1063 | 甲基氯(制冷气体，R40) | METHYL CHLORIDE (REFRIGERANT GAS R 40) | 2.1 | — |
| UN1064 | 甲硫醇 | METHYL MERCAPTAN | 2.3 | — |
| UN1065 | 氖，压缩的 | NEON, COMPRESSED | 2.2 | — |
| UN1066 | 氮气，压缩的 | NITROGEN, COMPRESSED | 2.2 | — |
| UN1067 | 四氧化二氮(二氧化氮) | DINITROGEN TETROXIDE (NITROGEN DIOXIDE) | 2.3 | — |
| UN1069 | 氯化亚硝酰 | NITROSYL CHLORIDE | 2.3 | — |
| UN1070 | 一氧化二氮 | NITROUS OXIDE | 2.2 | — |
| UN1071 | 油气，压缩的 | OIL GAS, COMPRESSED | 2.3 | — |
| UN1072 | 氧气，压缩的 | OXYGEN, COMPRESSED | 2.2 | — |
| UN1073 | 氧气，冷冻液体 | OXYGEN, REFRIGERATED LIQUID | 2.2 | — |
| UN1075 | 石油气，液化的 | PETROLEUM GASES, LIQUEFIED | 2.1 | — |
| UN1076 | 光气 | PHOSGENE | 2.3 | — |
| UN1077 | 丙烯 | PROPYLENE | 2.1 | — |
| UN1078 | 制冷气体，未另列明的 | REFRIGERANT GAS, N.O.S. | 2.2 | — |
| UN1079 | 二氧化硫 | SULPHUR DIOXIDE | 2.3 | — |
| UN1080 | 六氟化硫 | SULPHUR HEXAFLUORIDE | 2.2 | — |
| UN1081 | 四氟乙烯，稳定的 | TETRAFLUOROETHYLENE, STABILIZED | 2.1 | — |
| UN1082 | 三氟氯乙烯，稳定的(制冷气体R1113) | TRIFLUOROCHLORO- ETHYLENE, STABILIZED (REFRIGERANT GAS R 1113) | 2.3 | — |
| UN1083 | 三甲胺，无水的 | TRIMETHYLAMINE, ANHYDROUS | 2.1 | — |
| UN1085 | 乙烯基溴，稳定的 | VINYL BROMIDE, STABILIZED | 2.1 | — |
| UN1086 | 乙烯基氯，稳定的 | VINYL CHLORIDE, STABILIZED | 2.1 | — |
| UN1087 | 乙烯基甲基醚，稳定的 | VINYL METHYL ETHER, STABILIZED | 2.1 | — |
| UN1581 | 三氯硝基甲烷和甲基溴混合物，含三氯硝基甲烷大于2% | CHLOROPICRIN AND METHYL BROMIDE MIXTURE with more than 2% chloropicrin | 2.3 | — |
| UN1582 | 三氯硝基甲烷和甲基氯混合物 | CHLOROPICRIN AND METHYL CHLORIDE MIXTURE | 2.3 | — |
| UN1589 | 氯化氰，稳定的 | CYANOGEN CHLORIDE, STABILIZED | 2.3 | — |
| UN1612 | 四磷酸六乙酯和压缩气体混合物 | HEXAETHYL TETRAPHOSPHATE AND COMPRESSED GAS MIXTURE | 2.3 | — |
| UN1660 | 一氧化氮，压缩的 | NITRIC OXIDE, COMPRESSED | 2.3 | — |
| UN1741 | 三氯化硼 | BORON TRICHLORIDE | 2.3 | — |
| UN1749 | 三氟化氯 | CHLORINE TRIFLUORIDE | 2.3 | — |
| UN1858 | 六氟丙烯(制冷气体， R1216) | HEXAFLUOROPROPYLENE (REFRIGERANT GAS R 1216) | 2.2 | — |
| UN1859 | 四氟化硅 | SILICON TETRAFLUORIDE | 2.3 | — |
| UN1860 | 乙烯基氟，稳定的 | VINYL FLUORIDE, STABILIZED | 2.1 | — |
| UN1911 | 乙硼烷 | DIBORANE | 2.3 | — |
| UN1912 | 甲基氯和二氯甲烷混合物 | METHYL CHLORIDE AND METHYLENE CHLORIDE MIXTURE | 2.1 | — |
| UN1913 | 氖，冰冻液体 | NEON, REFRIGERATED LIQUID | 2.2 | — |
| UN1950 | 喷雾剂 | AEROSOLS | 2 | — |
| UN1951 | 氩，冷冻液体 | ARGON, REFRIGERATED LIQUID | 2.2 | — |
| UN1952 | 二氧化碳和环氧乙烷的混合物，含环氧乙烷不大于 9% | ETHYLENE OXIDE AND CARBON DIOXIDE MIXTURE with not more than 9% ethylene oxide | 2.2 | — |
| UN1953 | 压缩气体，有毒的，易燃的，未另列明的 | COMPRESSED GAS, TOXIC, FLAMMABLE, N.O.S. | 2.3 | — |
| UN1954 | 压缩气体，易燃的，未另列明的 | COMPRESSED GAS, FLAMMABLE, N.O.S. | 2.1 | — |
| UN1955 | 压缩气体，有毒的，未另列明的 | COMPRESSED GAS, TOXIC, N.O.S. | 2.3 | — |
| UN1956 | 压缩气体，未另列明的 | COMPRESSED GAS, N.O.S. | 2.2 | — |
| UN1957 | 氘，压缩的 | DEUTERIUM, COMPRESSED | 2.1 | — |
| UN1958 | 1,2-二氯-1,1,2,2-四氟乙烷(制冷气体，R114) | 1,2-DICHLORO-1,1,2,2- TETRAFLUOROETHANE (REFRIGERANT GAS R 114) | 2.2 | — |
| UN1959 | 1,1-二氟乙烯(制冷气体，R) | 1,1-DIFLUOROETHYLENE (REFRIGERANT GAS R 1132a) | 2.1 | — |
| UN1961 | 乙烷，冷冻液体 | ETHANE, REFRIGERATED LIQUID | 2.1 | — |
| UN1962 | 乙烯 | ETHYLENE | 2.1 | — |
| UN1963 | 氦，冷冻液体 | HELIUM, REFRIGERATED LIQUID | 2.2 | — |
| UN1964 | 烃类气体混合物，压缩的，未另列明的 | HYDROCARBON GAS MIXTURE, COMPRESSED, N.O.S. | 2.1 | — |
| UN1965 | 烃类气体混合物，液化的，未另列明的 | HYDROCARBON GAS MIXTURE, LIQUEFIED, N.O.S. | 2.1 | — |
| UN1966 | 氢气，冷冻液体 | HYDROGEN, REFRIGERATED LIQUID | 2.1 | — |
| UN1967 | 气体杀虫剂，有毒的，未另列明的 | INSECTICIDE GAS, TOXIC, N.O.S. | 2.3 | — |
| UN1968 | 气体杀虫剂，未另列明的 | INSECTICIDE GAS, N.O.S. | 2.2 | — |
| UN1969 | 异丁烷 | ISOBUTANE | 2.1 | — |
| UN1970 | 氪，冷冻液体 | KRYPTON, REFRIGERATED LIQUID | 2.2 | — |
| UN1971 | 甲烷，压缩的或天然气，压缩的，甲烷含量高的 | METHANE, COMPRESSED or NATURAL GAS, COMPRESSED with high methane content | 2.1 | — |
| UN1972 | 甲烷，冷冻液体或天然气，冷冻液体，甲烷含量高的 | METHANE, REFRIGERATED LIQUID or NATURAL GAS, REFRIGERATED LIQUID with high methane content | 2.1 | — |
| UN1973 | 氯二氟甲烷和氯五氟乙烷的混合物(制冷气体， R502)，具有固定沸点,含有约49%氯二氟甲烷 | CHLORODIFLUOROMETHANE AND CHLOROPENTAFLUORO- ETHANE MIXTURE with fixed boiling point, with approximately 49% chlorodifluoromethane (REFRIGERANT GAS R 502) | 2.2 | — |
| UN1974 | 氯二氟甲烷(制冷气体， R12B1) | CHLORODIFLUOROBROMO- METHANE (REFRIGERANT GAS R 12B1) | 2.2 | — |
| UN1975 | 一氧化氮和四氧化二氮混合物(一氧化氮和二氧化氮混合物) | NITRIC OXIDE AND DINITROGEN TETROXIDE MIXTURE (NITRIC OXIDE AND NITROGEN DIOXIDE MIXTURE) | 2.3 | — |
| UN1976 | 八氟环丁烷(制冷气体， RC318) | OCTAFLUOROCYCLOBUTANE (REFRIGERANT GAS RC 318) | 2.2 | — |
| UN1977 | 氮气，冷冻液体 | NITROGEN, REFRIGERATED LIQUID | 2.2 | — |
| UN1978 | 丙烷 | PROPANE | 2.1 | — |
| UN1982 | 四氟甲烷(制冷气体， R14) | TETRAFLUOROMETHANE (REFRIGERANT GAS R 14) | 2.2 | — |
| UN1983 | 1-氯-2,2,2-三氟乙烷(制冷气体，R133a) | 1-CHLORO-2,2,2-TRIFLUORO- ETHANE (REFRIGERANT GAS R 133a) | 2.2 | — |
| UN1984 | 三氟甲烷(制冷气体， R23) | TRIFLUOROMETHANE (REFRIGERANT GAS R 23) | 2.2 | — |
| UN2034 | 氢气和甲烷混合物，压缩的 | HYDROGEN AND METHANE MIXTURE, COMPRESSED | 2.1 | — |
| UN2035 | 1,1,1-三氟乙烷(制冷气体，R) | 1,1,1-TRIFLUOROETHANE (REFRIGERANT GAS R 143a) | 2.1 | — |
| UN2036 | 氙 | XENON | 2.2 | — |
| UN2037 | 容器，小型的，装有气体的(气筒)，没有释放装置，不能再充气的 | RECEPTACLES, SMALL, CONTAINING GAS (GAS CARTRIDGES) without a release device, non-refillable | 2 | — |
| UN2044 | 2,2-二甲基丙烷 | 2,2-DIMETHYLPROPANE | 2.1 | — |
| UN2073 | 氨溶液，15℃时相对密度低于0.880，含氨量大于 35%，但不大于50% | AMMONIA SOLUTION, relative density less than 0.880 at 15 C ° in water, with more than 35% but not more than 50% ammonia | 2.2 | — |
| UN2186 | 氯化氢，冷冻液体 | HYDROGEN CHLORIDE, REFRIGERATED LIQUID | 2.3 | — |
| UN2187 | 二氧化碳，冷冻液体 | CARBON DIOXIDE, REFRIGERATED LIQUID | 2.2 | — |
| UN2188 | 胂 | ARSINE | 2.3 | — |
| UN2189 | 二氯硅烷 | DICHLOROSILANE | 2.3 | — |
| UN2190 | 二氟化氧，压缩的 | OXYGEN DIFLUORIDE, COMPRESSED | 2.3 | — |
| UN2191 | 硫酰氟 | SULPHURYL FLUORIDE | 2.3 | — |
| UN2192 | 锗烷 | GERMANE | 2.3 | — |
| UN2193 | 六氟乙烷(制冷气体， R116) | HEXAFLUOROETHANE (REFRIGERANT GAS R 116) | 2.2 | — |
| UN2194 | 六氟化硒 | SELENIUM HEXAFLUORIDE | 2.3 | — |
| UN2195 | 六氟化碲 | TELLURIUM HEXAFLUORIDE | 2.3 | — |
| UN2196 | 六氟化钨 | TUNGSTEN HEXAFLUORIDE | 2.3 | — |
| UN2197 | 碘化氢，无水的 | HYDROGEN IODIDE, ANHYDROUS | 2.3 | — |
| UN2198 | 五氟化磷 | PHOSPHORUS PENTAFLUORIDE | 2.3 | — |
| UN2199 | 磷化氢 | PHOSPHINE | 2.3 | — |
| UN2200 | 丙二烯，稳定的 | PROPADIENE, STABILIZED | 2.1 | — |
| UN2201 | 一氧化亚氮，冷冻液体 | NITROUS OXIDE, REFRIGERATED LIQUID | 2.2 | — |
| UN2202 | 硒化氢，无水的 | HYDROGEN SELENIDE, ANHYDROUS | 2.3 | — |
| UN2203 | 硅烷 | SILANE | 2.1 | — |
| UN2204 | 硫化碳酰 | CARBONYL SULPHIDE | 2.3 | — |
| UN2417 | 碳酰氟 | CARBONYL FLUORIDE | 2.3 | — |
| UN2418 | 四氟化硫 | SULPHUR TETRAFLUORIDE | 2.3 | — |
| UN2419 | 溴三氟乙烯 | BROMOTRIFLUOROETHYLENE | 2.1 | — |
| UN2420 | 六氟丙酮 | HEXAFLUOROACETONE | 2.3 | — |
| UN2421 | 三氧化二氮 | NITROGEN TRIOXIDE | 2.3 | — |
| UN2422 | 八氟-2-丁烯(制冷气体， R1318) | OCTAFLUOROBUT-2-ENE (REFRIGERANT GAS R 1318) | 2.2 | — |
| UN2424 | 八氟丙烷(制冷气体， R218) | OCTAFLUOROPROPANE (REFRIGERANT GAS R 218) | 2.2 | — |
| UN2451 | 三氟化氮 | NITROGEN TRIFLUORIDE | 2.2 | — |
| UN2452 | 乙基乙炔，稳定的 | ETHYLACETYLENE, STABILIZED | 2.1 | — |
| UN2453 | 乙基氟(制冷气体， R161) | ETHYL FLUORIDE (REFRIGERANT GAS R 161) | 2.1 | — |
| UN2454 | 甲基氟(制冷气体，R41) | METHYL FLUORIDE (REFRIGERANT GAS R 41) | 2.1 | — |
| UN2455 | 亚硝酸甲酯 | METHYL NITRITE | 2.2 | — |
| UN2517 | 1-氯-1,1-二氟乙烷(制冷气体，R142b) | 1-CHLORO-1,1-DIFLUORO- ETHANE (REFRIGERANT GAS R 142b) | 2.1 | — |
| UN2534 | 甲基氯硅烷 | METHYLCHLOROSILANE | 2.3 | — |
| UN2548 | 五氟化氯 | CHLORINE PENTAFLUORIDE | 2.3 | — |
| UN2591 | 氙，冷冻液体 | XENON, REFRIGERATED LIQUID | 2.2 | — |
| UN2599 | 氯三氟甲烷和三氟甲烷共沸混合物(制冷气体， R503)，含氯三氟甲烷约 60% | CHLOROTRIFLUOROMETHANE AND TRIFLUOROMETHANE AZEOTROPIC MIXTURE with approximately 60% chlorotrifluoromethane (REFRIGERANT GAS R 503) | 2.2 | — |
| UN2601 | 环丁烷 | CYCLOBUTANE | 2.1 | — |
| UN2602 | 二氯二氟甲烷和二氟乙烷共沸混合物(制冷气体， R500)，含二氯二氟甲烷约74% | DICHLORODIFLUORO-METHANE AND DIFLUOROETHANE AZEOTROPIC MIXTURE with approximately 74% dichlorodifluoromethane (REFRIGERANT GAS R 500) | 2.2 | — |
| UN2676 | 锑化(三)氢 | STIBINE | 2.3 | — |
| UN2857 | 制冷机，装有非易燃、无毒气体或氨类溶液(UN 2672) | REFRIGERATING MACHINES containing non-flammable, non-toxic, gases or ammonia solutions (UN 2672) | 2.2 | — |
| UN2901 | 氯化溴 | BROMINE CHLORIDE | 2.3 | — |
| UN3057 | 三氟乙酰氯 | TRIFLUOROACETYL CHLORIDE | 2.3 | — |
| UN3070 | 环氧乙烷(氧化乙烯)和二氯二氟甲烷混合物，含环氧乙烷(氧化乙烯)不大于 12.5% | ETHYLENE OXIDE AND DICHLORODIFLUORO-METHANE MIXTURE with not more than 12.5% ethylene oxide | 2.2 | — |
| UN3083 | 氟化高氯酰(高氯酰氟) | PERCHLORYL FLUORIDE | 2.3 | — |
| UN3136 | 三氟甲烷，冷冻液体 | TRIFLUOROMETHANE, REFRIGERATED LIQUID | 2.2 | — |
| UN3138 | 乙烯、乙炔和丙烯混合物，冷冻液体，含乙烯至少71.5%，含乙炔不大于22.5%，含丙烯不大于6% | ETHYLENE, ACETYLENE AND PROPYLENE MIXTURE, REFRIGERATED LIQUID containing at least 71.5% ethylene, with not more than 22.5% acetylene and not more than 6% propylene | 2.1 | — |
| UN3150 | 装置，小型的，以烃类气体为动力的或给小型装置补充烃类气体的充气罐，带有释放装置 | DEVICES, SMALL, HYDROCARBON GAS POWERED or HYDROCARBON GAS REFILLS FOR SMALL DEVICES with release device | 2.1 | — |
| UN3153 | 全氟(甲基乙烯基醚) | PERFLUORO(METHYL VINYL ETHER) | 2.1 | — |
| UN3154 | 全氟(乙基乙烯基醚) | PERFLUORO(ETHYL VINYL ETHER) | 2.1 | — |
| UN3156 | 压缩气体，氧化性，未另列明的 | COMPRESSED GAS, OXIDIZING, N.O.S. | 2.2 | — |
| UN3157 | 液化气体，氧化性，未另列明的 | LIQUEFIED GAS, OXIDIZING, N.O.S. | 2.2 | — |
| UN3158 | 气体，冷冻液体，未另列明的 | GAS, REFRIGERATED LIQUID, N.O.S. | 2.2 | — |
| UN3159 | 1,1,1,2-四氟乙烷(制冷气体，R134a) | 1,1,1,2-TETRAFLUOROETHANE (REFRIGERANT GAS R 134a) | 2.2 | — |
| UN3160 | 液化气体，有毒的，易燃的，未另列明的 | LIQUEFIED GAS, TOXIC, FLAMMABLE, N.O.S. | 2.3 | — |
| UN3161 | 液化气体，易燃的，未另列明的 | LIQUEFIED GAS, FLAMMABLE, N.O.S. | 2.1 | — |
| UN3162 | 液化气体，有毒的，未另列明的 | LIQUEFIED GAS, TOXIC, N.O.S. | 2.3 | — |
| UN3163 | 液化气体，未另列明的 | LIQUEFIED GAS, N.O.S. | 2.2 | — |
| UN3164 | 气压或液压物品，(含非易燃气体) | ARTICLES, PRESSURIZED, PNEUMATIC or HYDRAULIC (containing non-flammable gas) | 2.2 | — |
| UN3167 | 气体样品，不加压的，易燃的，未另列明的，非冷冻液体 | GAS SAMPLE, NON-PRESSURIZED, FLAMMABLE, N.O.S., not refrigerated liquid | 2.1 | — |
| UN3168 | 气体样品，不加压的，有毒的，易燃的、未另列明的，非冷冻液体 | GAS SAMPLE, NON-PRESSURIZED, TOXIC, FLAMMABLE, N.O.S., not refrigerated liquid | 2.3 | — |
| UN3169 | 气体样品，不加压的，有毒的，未另列明的，非冷冻液体 | GAS SAMPLE, NON-PRESSURIZED, TOXIC, N.O.S., not refrigerated liquid | 2.3 | — |
| UN3220 | 五氟乙烷(制冷气体 R125) | PENTAFLUOROETHANE (REFRIGERANT GAS R 125) | 2.2 | — |
| UN3252 | 二氟甲烷(制冷气体R32) | DIFLUOROMETHANE (REFRIGERANT GAS R 32) | 2.1 | — |
| UN3296 | 七氟丙烷(制冷气体 R227) | HEPTAFLUOROPROPANE (REFRIGERANT GAS R 227) | 2.2 | — |
| UN3297 | 环氧乙烷(氧化乙烯)和氯四氟乙烷混合物，含环氧乙烷(氧化乙烯)不大于 8.8% | ETHYLENE OXIDE AND CHLOROTETRAFLUORO- ETHANE MIXTURE with not more than 8.8% ethylene oxide | 2.2 | — |
| UN3298 | 环氧乙烷(氧化乙烯)和五氟乙烷混合物，含环氧乙烷不大于7.9% | ETHYLENE OXIDE AND PENTAFLUOROETHANE MIXTURE with not more than 7.9% ethylene oxide | 2.2 | — |
| UN3299 | 环氧乙烷(氧化乙烯)和四氟乙烷混合物，含环氧乙烷不大于5.6% | ETHYLENE OXIDE AND TETRAFLUOROETHANE MIXTURE with not more than 5.6% ethylene oxide | 2.2 | — |
| UN3300 | 环氧乙烷(氧化乙烯)和二氧化碳混合物，含环氧乙烷(氧化乙烯)大于87% | ETHYLENE OXIDE AND CARBON DIOXIDE MIXTURE with more than 87% ethylene oxide | 2.3 | — |
| UN3303 | 压缩气体，有毒的，氧化性的，未另列明的 | COMPRESSED GAS, TOXIC, OXIDIZING, N.O.S. | 2.3 | — |
| UN3304 | 压缩气体，有毒的，腐蚀性的未另列明的 | COMPRESSED GAS, TOXIC, CORROSIVE, N.O.S. | 2.3 | — |
| UN3305 | 压缩气体，有毒的，易燃的，腐蚀性的未另列明的 | COMPRESSED GAS, TOXIC, FLAMMABLE, CORROSIVE, N.O.S. | 2.3 | — |
| UN3306 | 压缩气体，有毒的，氧化性的，腐蚀性的未另列明的 | COMPRESSED GAS, TOXIC, OXIDIZING, CORROSIVE, N.O.S. | 2.3 | — |
| UN3307 | 液化气体，有毒的，氧化性的，未另列明的 | LIQUEFIED GAS, TOXIC, OXIDIZING, N.O.S. | 2.3 | — |
| UN3308 | 液化气体，有毒的，腐蚀性的，未另列明的 | LIQUEFIED GAS, TOXIC, CORROSIVE, N.O.S. | 2.3 | — |
| UN3309 | 液化气体，有毒的，易燃的，腐蚀性的，未另列明的 | LIQUEFIED GAS, TOXIC, FLAMMABLE, CORROSIVE, N.O.S. | 2.3 | — |
| UN3310 | 液化气体，有毒的，腐蚀性的，未另列明的 | LIQUEFIED GAS, TOXIC, OXIDIZING, CORROSIVE, N.O.S. | 2.3 | — |
| UN3311 | 气体，冷冻液体，氧化性的，未另列明的 | GAS, REFRIGERATED LIQUID, OXIDIZING, N.O.S. | 2.2 | — |
| UN3312 | 气体，冷冻液体，易燃的，未另列明的 | GAS, REFRIGERATED LIQUID, FLAMMABLE, N.O.S. | 2.1 | — |
| UN3318 | 氨溶液，在15℃时相对密度小于0.880，含氨量大于50% | AMMONIA SOLUTION, relative density less than 0.880 at 15 C ° in water, with more than 50% ammonia | 2.3 | — |
| UN3337 | 制冷气体，R404A | REFRIGERANT GAS R 404A | 2.2 | — |
| UN3338 | 制冷气体，R407A | REFRIGERANT GAS R 407A | 2.2 | — |
| UN3339 | 制冷气体，R407B | REFRIGERANT GAS R 407B | 2.2 | — |
| UN3340 | 制冷气体，R407C | REFRIGERANT GAS R 407C | 2.2 | — |
| UN3354 | 气体杀虫剂，易燃的，未另列明的 | INSECTICIDE GAS, FLAMMABLE, N.O.S. | 2.1 | — |
| UN3355 | 气体杀虫剂，有毒的，易燃的，未另列明的 | INSECTICIDE GAS, TOXIC, FLAMMABLE, N.O.S. | 2.3 | — |
| UN3358 | 制冷机，装有易燃的、无毒的液化气体 | REFRIGERATING MACHINES containing flammable, non-toxic, liquefied gas | 2.1 | — |
| UN3374 | 乙炔，无溶剂 | ACETYLENE, SOLVENT FREE | 2.1 | — |
| UN3468 | 金属贮氢系统中的氢或包含在设备中或安装在设备中的金属贮氢系统中的氢 | HYDROGEN 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 | 2.1 | — |
| UN3478 | 燃料电池筒或设备中含有燃料电池筒或与设备合装在一起的燃料电池筒，含有液化的易燃气体 | FUEL CELL CARTRIDGES or FUEL CELL CARTRIDGES CONTAINED IN EQUIPMENT or FUEL CELL CARTRIDGES PACKED WITH EQUIPMENT, containing liquefied flammable gas | 2.1 | — |
| UN3479 | 燃料电池筒或设备中含有燃料电池筒或与设备合装在一起的燃料电池筒，在金属氢化物内含有氢 | FUEL CELL CARTRIDGES or FUEL CELL CARTRIDGES CONTAINED IN EQUIPMENT or FUEL CELL CARTRIDGES PACKED WITH EQUIPMENT, containing hydrogen in metal hydride | 2.1 | — |
| UN3500 | 加压化学品，未另列明的 | CHEMICAL UNDER PRESSURE, N.O.S. | 2.2 | — |
| UN3501 | 加压化学品，易燃的，未另列明的 | CHEMICAL UNDER PRESSURE, FLAMMABLE, N.O.S. | 2.1 | — |
| UN3502 | 加压化学品，有毒的，未另列明的 | CHEMICAL UNDER PRESSURE, TOXIC, N.O.S. | 2.2 | — |
| UN3503 | 加压化学品，腐蚀性的，未另列明的 | CHEMICAL UNDER PRESSURE, CORROSIVE, N.O.S. | 2.2 | — |
| UN3504 | 加压化学品，易燃的，有毒的，未另列明的 | CHEMICAL UNDER PRESSURE, FLAMMABLE, TOXIC, N.O.S. | 2.1 | — |
| UN3505 | 加压化学品，易燃的，腐蚀性的，未另列明的 | CHEMICAL UNDER PRESSURE, FLAMMABLE, CORROSIVE, N.O.S. | 2.1 | — |
| UN3510 | 吸附性气体，易燃的，未另列明的 | ADSORBED GAS, FLAMMABLE, N.O.S. | 2.1 | — |
| UN3511 | 吸附性气体，未另列明的 | ADSORBED GAS, N.O.S. | 2.2 | — |
| UN3512 | 吸附性气体，有毒的，未另列明的 | ADSORBED GAS, TOXIC, N.O.S. | 2.3 | — |
| UN3513 | 吸附性气体，氧化性的，未另列明的 | ADSORBED GAS, OXIDIZING, N.O.S. | 2.2 | — |
| UN3514 | 吸附性气体，有毒的，易燃的，未另列明的 | ADSORBED GAS, TOXIC, FLAMMABLE, N.O.S. | 2.3 | — |
| UN3515 | 吸附性气体，有毒的，氧化性的，未另列明的 | ADSORBED GAS, TOXIC, OXIDIZING, N.O.S. | 2.3 | — |
| UN3516 | 吸附性气体，有毒的，腐蚀性的，未另列明的 | ADSORBED GAS, TOXIC, CORROSIVE, N.O.S. | 2.3 | — |
| UN3517 | 吸附性气体，有毒的，易燃的，腐蚀性的，未另列明的 | ADSORBED GAS, TOXIC, FLAMMABLE, CORROSIVE, N.O.S. | 2.3 | — |
| UN3518 | 吸附性气体，有毒的，氧化性的，腐蚀性的，未另列明的 | ADSORBED GAS, TOXIC, OXIDIZING, CORROSIVE, N.O.S. | 2.3 | — |
| UN3519 | 三氟化硼，吸附性的 | BORON TRIFLUORIDE, ADSORBED | 2.3 | — |
| UN3520 | 氯，吸附性的 | CHLORINE, ADSORBED | 2.3 | — |
| UN3521 | 四氟化硅，吸附性的 | SILICON TETRAFLUORIDE, ADSORBED | 2.3 | — |
| UN3522 | 胂，吸附性的 | ARSINE, ADSORBED | 2.3 | — |
| UN3523 | 锗烷，吸附性的 | GERMANE, ADSORBED | 2.3 | — |
| UN3524 | 五氟化磷，吸附性的 | PHOSPHORUS PENTAFLUORIDE, ADSORBED | 2.3 | — |
| UN3525 | 磷化氢，吸附性的 | PHOSPHINE, ADSORBED | 2.3 | — |
| UN3526 | 硒化氢，吸附性的 | HYDROGEN SELENIDE, ADSORBED | 2.3 | — |
| UN3529 | 内燃发动机,易燃气体驱动或燃料电池发动机,易燃气体驱动或内燃机器, 易燃气体驱动或燃料电池机器，易燃气体驱动 | ENGINE, 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 | 2.1 | — |
| UN3537 | 含有易燃气体的物品,未另列明 | ARTICLES CONTAINING FLAMMABLE GAS, N.O.S. | 2.1 | — |
| UN3538 | 含有不易燃、无毒气体的物品，未另列明 | ARTICLES CONTAINING NON-FLAMMABLE, NON-TOXIC GAS, N.O.S. | 2.2 | — |
| UN3539 | 含有有毒气体的物品，未另列明的 | ARTICLES CONTAINING TOXIC GAS, N.O.S. | 2.3 | — |
| UN3553 | 乙硅烷 | DISILANE | 2.1 | — |