List of UN numbers 1901 to 2000
UN numbers from UN1901 to UN2000 as assigned by the United Nations Committee of Experts on the Transport of Dangerous Goods are as follows:
UN 1901 to UN 2000
| UN Number | Class | Proper Shipping Name |
| UN 1901 | ? | |
| UN 1902 | 8 | Diisooctyl acid phosphate |
| UN 1903 | 8 | Disinfectants, liquid, corrosive, n.o.s. |
| UN 1904 | ? | Poison Hydrochloride |
| UN 1905 | 8 | Selenic Acid |
| UN 1906 | 8 | Sludge Acid |
| UN 1907 | 8 | Soda lime with more than 4 percent sodium hydroxide |
| UN 1908 | 8 | Chlorite solution |
| UN 1909 | ? | |
| UN 1910 | 8 | Calcium oxide |
| UN 1911 | 2 | Diborane, compressed |
| UN 1912 | 2 | Methyl chloride and methylene chloride mixtures |
| UN 1913 | 2 | Neon, refrigerated liquid |
| UN 1914 | 3 | Butyl propionates |
| UN 1915 | 3 | Cyclohexanone |
| UN 1916 | 6.1 | 2,2'-Dichlorodiethyl ether |
| UN 1917 | 3 | Ethyl acrylate, inhibited |
| UN 1918 | 3 | Isopropylbenzene |
| UN 1919 | 3 | Methyl acrylate, inhibited |
| UN 1920 | 3 | Nonanes |
| UN 1921 | 3 | Propyleneimine, inhibited |
| UN 1922 | 3 | Pyrrolidine |
| UN 1923 | 4.2 | Calcium dithionite or Calcium hydrosulfite |
| UN 1924 | ? | Ethyl aluminium dichloride |
| UN 1925 | ? | Ethylaluminium sesquichloride |
| UN 1926 | ? | Methyl aluminium sesquibromide |
| UN 1927 | ? | Methyl aluminium sesquichloride |
| UN 1928 | 4.3 | Methyl magnesium bromide, in ethyl ether |
| UN 1929 | 4.2 | Potassium dithionite or Potassium hydrosulfite |
| UN 1930 | ? | Triisobutyl aluminium |
| UN 1931 | 9 | Zinc dithionite or Zinc hydrosulfite |
| UN 1932 | 4.2 | Zirconium scrap |
| UN 1933 to 1934 | ? | |
| UN 1935 | 6.1 | Cyanide solutions, n.o.s. |
| UN 1936 to 1937 | ? | |
| UN 1938 | 8 | Bromoacetic acid, solution or Bromoacetic acid, solid |
| UN 1939 | 8 | Phosphorus oxybromide |
| UN 1940 | 8 | Thioglycolic acid |
| UN 1941 | 9 | Dibromodifluoromethane, R12B2 |
| UN 1942 | 5.1 | Ammonium nitrate, with not more than 0.2 percent of combustible substances, including any organic substance calculated as carbon, to the exclusion of any other added substance |
| UN 1943 | ? | |
| UN 1944 | 4.1 | Matches, safety |
| UN 1945 | 4.1 | Matches, wax, Vesta |
| UN 1946 to 1949 | ? | |
| UN 1950 | 2 | Aerosols, corrosive, Packing Group II or III, or Aerosols, flammable or Aerosols, flammable, n.o.s. or Aerosols, nonflammable or Aerosols, toxic, |
| UN 1951 | 2 | Argon, refrigerated liquid |
| UN 1952 | 2 | Ethylene oxide and carbon dioxide mixtures with not more than 9 percent ethylene oxide |
| UN 1953 | 2 | Compressed gas, toxic, flammable, n.o.s. Inhalation Hazard Zone A, B, C, or D |
| UN 1954 | 2 | Compressed gas, flammable, n.o.s. |
| UN 1955 | 2 | Compressed gas, toxic, n.o.s. Inhalation Hazard Zone A, B, C, or D |
| UN 1956 | 2 | Compressed gas, n.o.s. |
| UN 1957 | 2 | Deuterium, compressed |
| UN 1958 | 2 | 1,2-dichloro-1,1,2,2-tetrafluoroethane or Refrigerant gas R 114 |
| UN 1959 | 2 | 1,1-Difluoroethylene or Refrigerant gas R 1132a |
| UN 1960 | ? | Engine starting fluid |
| UN 1961 | 2 | Ethane, refrigerated liquid |
| UN 1962 | 2 | Ethylene, compressed |
| UN 1963 | 2 | Helium, refrigerated liquid |
| UN 1964 | 2 | Hydrocarbon gas mixture, compressed, n.o.s. |
| UN 1965 | 2 | Hydrocarbon gas mixtures, liquefied, n.o.s. |
| UN 1966 | 2 | Liquid hydrogen, refrigerated liquid |
| UN 1967 | 2 | Insecticide gases, toxic, n.o.s. |
| UN 1968 | 2 | Insecticide gases, n.o.s. |
| UN 1969 | 2 | Isobutane see also Petroleum gases, liquified |
| UN 1970 | 2 | Krypton, refrigerated liquid |
| UN 1971 | 2 | Methane, compressed or Natural gas, compressed |
| UN 1972 | 2 | Methane, refrigerated liquid or Natural gas, refrigerated liquid, with high methane content |
| UN 1973 | 2 | Chlorodifluoromethane and chloropentafluoroethane mixture or Refrigerant gas R 502 with fixed boiling point, with approximately 49 percent chlorodifluoromethane |
| UN 1974 | 2 | Chlorodifluorobromomethane or Refrigerant gas R 12B1 |
| UN 1975 | 2 | Nitric oxide and dinitrogen tetroxide mixtures or Nitric oxide and nitrogen dioxide mixtures |
| UN 1976 | 2 | Octafluorocyclobutane, or Refrigerant gas RC 318 |
| UN 1977 | 2 | Nitrogen, refrigerated liquid cryogenic liquid |
| UN 1978 | 2 | Propane see also Petroleum gases, liquefied |
| UN 1979 | 2 | Rare gases, mixtures, compressed |
| UN 1980 | 2 | Rare gases and oxygen mixtures, compressed |
| UN 1981 | 2 | Rare gases and nitrogen mixtures, compressed |
| UN 1982 | 2 | Tetrafluoromethane, compressed or Refrigerant gas R 14 |
| UN 1983 | 2 | 1-Chloro-2,2,2-trifluoroethane or Refrigerant gas R133a |
| UN 1984 | 2 | Trifluoromethane or Refrigerant gas R 23 |
| UN 1985 | ? | |
| UN 1986 | 3 | Alcohols, flammable, toxic, n.o.s. |
| UN 1987 | 3 | Alcohols,, n.o.s. |
| UN 1988 | 3 | Aldehydes, flammable, toxic, n.o.s. |
| UN 1989 | 3 | Aldehydes, n.o.s. |
| UN 1990 | 9 | Benzaldehyde |
| UN 1991 | 3 | Chloroprene, inhibited |
| UN 1992 | 3 | Flammable liquids, toxic, n.o.s. |
| UN 1993 | 3 | Flammable liquids, n.o.s. |
| UN 1994 | 6.1 | Iron pentacarbonyl |
| UN 1995 | ? | Propane |
| UN 1996 to 1998 | ? | |
| UN 1999 | 3 | Tars, liquid including road asphalt and oils, bitumen and cut backs |
| UN 2000 | 4.1 | Celluloid, in block, rods, rolls, sheets, tubes, etc., except scrap |
n.o.s. = not otherwise specified meaning a collective entry to which substances, mixtures, solutions or articles may be assigned if a) they are not mentioned by name in 3.2 Dangerous Goods List AND b) they exhibit chemical, physical and/or dangerous properties corresponding to the Class, classification code, packing group and the name and description of the n.o.s.entry