neutral red base (CHEBI:86372)

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ChEBI Name	neutral red base

ChEBI ID	CHEBI:86372

Definition	A member of the class of phenazines carrying methyl, amino and dimethylamino substituents at positions 2, 3 and 7 respectively. The free base of neutral red, which 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

C15H16N4

Net Charge

Average Mass

252.31430

Monoisotopic Mass

252.13750

InChI

InChI=1S/C15H16N4/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

InChIKey

GLVRJEJEXGVOMJ-UHFFFAOYSA-N

SMILES

CN(C)c1ccc2nc3cc(C)c(N)cc3nc2c1

Roles Classification
Chemical Role(s):	Bronsted base A molecular entity capable of accepting a hydron from a donor (Bronsted acid). (via organic amino compound )

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.

ChEBI Ontology
Outgoing	neutral red base (CHEBI:86372) has role acid-base indicator (CHEBI:50407) neutral red base (CHEBI:86372) has role dye (CHEBI:37958) neutral red base (CHEBI:86372) has role two-colour indicator (CHEBI:50412) neutral red base (CHEBI:86372) is a aromatic amine (CHEBI:33860) neutral red base (CHEBI:86372) is a phenazines (CHEBI:39201) neutral red base (CHEBI:86372) is a primary amino compound (CHEBI:50994) neutral red base (CHEBI:86372) is a tertiary amino compound (CHEBI:50996) neutral red base (CHEBI:86372) is conjugate base of neutral red(1+) (CHEBI:86373)

Incoming	neutral red(1+) (CHEBI:86373) is conjugate acid of neutral red base (CHEBI:86372)

IUPAC Name

N⁸,N⁸,3-trimethylphenazine-2,8-diamine

Synonyms	Sources
3-amino-7-dimethylamino-2-methylphenazine	ChEBI
C.I. Basic Red 5, free base	ChemIDplus

Last Modified

07 July 2015