has role hydrochloride dye acid-base indicator two-colour indicator neutral red 288.114 288.77500 3-Amino-7-dimethylamino-2-methylphenazine hydrochloride A hydrochloride obtained by combining the free base of neutral red with one equivalent of hydrochloric acid. Neutral red acts as a pH indicator, changing from red to yellow between pH 6.8 and 8.0. C.I. Basic Red 5 C.I. Basic Red 5, monohydrochloride C15H17ClN4 CAS:553-24-2 CHEBI:86370 Cl.CN(C)c1ccc2nc3cc(C)c(N)cc3nc2c1 InChI=1S/C15H16N4.ClH/c1-9-6-13-15(8-11(9)16)18-14-7-10(19(2)3)4-5-12(14)17-13;/h4-8H,16H2,1-3H3;1H N(8),N(8),3-trimethylphenazine-2,8-diamine hydrochloride Neutral Red chloride PGSADBUBUOPOJS-UHFFFAOYSA-N PMID:25107459 PMID:26065811 PMID:26094195 PMID:26094419 PMID:26096579 Reaxys:3918740 Toluylene Red Wikipedia:Neutral_red chebi_ontology