Structural formula Business number 01HH Molecular formula C12H9N3O4 Molecular weight 259.22 label Try Magnesium Spirit, azo violet, Oxygen violet, 2,4-dihydroxy-4′-nitroazobenzene, 4-(4-Nitrophenylazo)resorcinol, p-nitroazobenzeneresorcinol, 4-(p-Nitrophenylazo)resorcinol, 4-(4-Nitrophenylazo)resorcinol, p-Nitroazobenzene-2,4-diol, 4-(4′-Nitrophenylazo)resorcinol, 2,4-Dihydroxy-4′-nitroazobenzene, O2NC6H4N=NC6H3-1,3-(OH)2 Numbering system Physical property data Toxicological data Ecological data Molecular structure data Computing chemical data More Properties and Stability Storage method Synthesis method Purpose Numbering system CAS...