molecular nitrogen 7727-37-9 156457-45-3 161728-27-4 93037-13-9 CHEBI:17997 N#N N(2) dinitrogen Azote [French] EINECS 231-783-9 HSDB 5060 MOL Nitrogen Nitrogen (liquified) Nitrogen gas Nitrogen, compressed [UN1066] [Nonflammable gas] Nitrogen, refrigerated liquid (cryogenic liquid) [UN1977] [Nonflammable gas] Nitrogen-14 Nitrogeno [Spanish] UN1066 UN1977 295574_ALDRICH D00083 Nitrogen (JP15/NF) Nitrogen (TN) C00697 N2 NITROGEN-MOLECULE Nitrogen nitrogen molecule