... certain conditions through the role of vapor pressure. Dicyclohexyl ammonium nitrite has been the major categories of vapor phase anti-rust ... operation, easy to use and so on.1. NameDicyclohexyl Ammonium Nitrite [(C6H11) 2NH] HNO2 Molecular weight: 2282. CharactersWhite powder, amine odor ... corrosion to zinc, cadmium, magnesium, copper and its alloys. Dicyclohexylammonium nitrite, good antirust agent