Synthesis of nitrogen

Preparation of nitrogen

Nitrogen when required may be readily prepared by heating equal parts of concentrated aqueous solutions of ammonium chloride and potassium or sodium nitrite.

Preparation of nitrogen

Preparation of nitrogen

The synthesis is conducted in a heated flask, which contains equal parts of concentrated aqueous solutions of ammonium chloride and potassium or sodium nitrite. The outgoing gas contains steam, ammonium chloride, and possibly some oxides of nitrogen. The crude gas is cooled washed with water and dried over sulfuric acid yielding pure nitrogen. Nitrogen prepared in this way contains no argon, carbon dioxide or oxygen.

Laboratory manual of inorganic preparations, by H. T. Vulte, 10, 1895


molecular nitrogen



InChI Key


Canonical SMILES


MeSH Synonyms


Depositor-Supplied Synonyms

Nitrogen, Nitrogen gas, Molecular nitrogen, Dinitrogen, Nitrogen-14, Diatomic nitrogen, MOL Nitrogen, Azote [French], 7727-37-9, Nitrogeno [Spanish], Nitrogen (liquified), nitrogen molecule, N2, CHEBI:17997, HSDB 5060, IJGRMHOSHXDMSA-UHFFFAOYSA-N, UNII-N762921K75, EINECS 231-783-9, UN1066, UN1977, Diazyne, Nitrogeno, Nitrogen (TN), Nitrogen, compressed, AC1L1ADW, Nitrogen (JP16/NF), AC1Q4SR2, 295574_ALDRICH, CHEMBL142438, HMDB01371, AR-1K7448, UN 1066, UN 1977, AN-21843, E941, LS-96743, N762921K75, C00697, D00083, Nitrogen, refrigerated liquid (cryogenic liquid), 3B4-2239, Nitrogen, compressed [UN1066] [Nonflammable gas], Nitrogen, compressed [UN1066] [Nonflammable gas], UNII-K21NZZ5Y0B component IJGRMHOSHXDMSA-UHFFFAOYSA-N, Nitrogen, refrigerated liquid (cryogenic liquid) [UN1977] [Nonflammable gas], Nitrogen, refrigerated liquid (cryogenic liquid) [UN1977] [Nonflammable gas], 156457-45-3, 161728-27-4, 263005-65-8, 745765-07-5, 778548-56-4, 794449-54-0, 882528-56-5, 951778-24-8, N#N

Removed Synonyms

Azote, CID947, C1577, D009584, 14289-34-0, 54898-34-9, 93037-13-9

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