has part has_part has part has role safranin O 3,7-Diamino-5-phenylphenazinium chloride 3,7-diamino-5-phenylphenazin-5-ium chloride 322.099 322.79136 An organic chloride salt having 3,7-diamino-5-phenylphenazin-5-ium as the counterion. It is commonly used for staining Gram negative bacteria red in smears to contrast with the blue Gram positive organisms. Beilstein:3642082 C.I. 50240 C18H15ClN4 CAS:81-93-6 CHEBI:33601 InChI=1S/C18H14N4.ClH/c19-12-6-8-15-17(10-12)22(14-4-2-1-3-5-14)18-11-13(20)7-9-16(18)21-15;/h1-11H,(H3,19,20);1H PMID:25247839 PMID:25428794 PMID:25737416 PMID:25796015 PMID:25863440 PMID:26027826 Phenosafranin Phenosafranine, chloride Reaxys:3642082 SOUHUMACVWVDME-UHFFFAOYSA-N Wikipedia:Safranin [Cl-].Nc1ccc2nc3ccc(N)cc3[n+](-c3ccccc3)c2c1 basic red 2 chebi_ontology dimethyl phenosafranine safranin organic chloride salt fluorochrome histological dye 3,7-diamino-5-phenylphenazin-5-ium