CHEBI:86370 - neutral red

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ChEBI Name neutral red
ChEBI ID CHEBI:86370
Definition 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.
Stars This entity has been manually annotated by the ChEBI Team.
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Formula C15H17ClN4
Net Charge 0
Average Mass 288.77500
Monoisotopic Mass 288.11417
InChI 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
InChIKey PGSADBUBUOPOJS-UHFFFAOYSA-N
SMILES Cl.CN(C)c1ccc2nc3cc(C)c(N)cc3nc2c1
Roles Classification
Application(s): dye

acid-base indicator
An acid or base which exhibits a colour change on neutralization by the basic or acidic titrant at or near the equivalence point of a titration.
two-colour indicator
A colour indicator that possesses a different colour on each side of the transition interval.
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ChEBI Ontology
Outgoing neutral red (CHEBI:86370) has part neutral red(1+) (CHEBI:86373)
neutral red (CHEBI:86370) has role acid-base indicator (CHEBI:50407)
neutral red (CHEBI:86370) has role dye (CHEBI:37958)
neutral red (CHEBI:86370) has role two-colour indicator (CHEBI:50412)
neutral red (CHEBI:86370) is a hydrochloride (CHEBI:36807)
IUPAC Name
N8,N8,3-trimethylphenazine-2,8-diamine hydrochloride
Synonyms Sources
3-Amino-7-dimethylamino-2-methylphenazine hydrochloride ChemIDplus
C.I. Basic Red 5 ChemIDplus
C.I. Basic Red 5, monohydrochloride ChemIDplus
Neutral Red chloride ChemIDplus
Toluylene Red ChemIDplus
Manual Xref Database
Neutral_red Wikipedia
View more database links
Registry Numbers Types Sources
3918740 Reaxys Registry Number Reaxys
553-24-2 CAS Registry Number ChemIDplus
Citations Waiting for Citations Types Sources
25107459 PubMed citation Europe PMC
26065811 PubMed citation Europe PMC
26094195 PubMed citation Europe PMC
26094419 PubMed citation Europe PMC
26096579 PubMed citation Europe PMC
Last Modified
15 July 2015