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M8256

Methyl Red sodium salt

Name: Methyl Red sodium salt
Brand: SIAL

Powder

Synonym(s):

4-Dimethylaminoazobenzene-2′-carboxylic acid sodium salt, Acid Red 2

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About This Item

Empirical Formula (Hill Notation):

C₁₅H₁₄N₃NaO₂

CAS Number:

845-10-3

Molecular Weight:

291.28

Colour Index Number:

13020

Beilstein:

4065488

EC Number:

212-682-9

MDL number:

MFCD00002426

UNSPSC Code:

12171500

PubChem Substance ID:

24897234

NACRES:

NA.47

product name

Methyl Red sodium salt, Crystalline

Agency

suitable for SM 2310
suitable for SM 2320

Quality Level

200

form

powder

technique(s)

titration: suitable

visual transition interval

4.2-6.2, pink to yellow

solubility

soluble, clear, orange

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].CN(C)c1ccc(cc1)\N=N\c2ccccc2C([O-])=O

InChI

1S/C15H15N3O2.Na/c1-18(2)12-9-7-11(8-10-12)16-17-14-6-4-3-5-13(14)15(19)20;/h3-10H,1-2H3,(H,19,20);/q;+1/p-1/b17-16+;

InChI key

GNTPCYMJCJNRQB-CMBBICFISA-M

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Hematology Stains

Histology Stains

General description

Methyl Red is an azo dye that indicates the presence of acid in the culture medium, which is formed due to fermentation of sugar by bacteria. This red dye is reduced to orange color in the presence of acid. Methyl Red has been used as a part of IMViC (indole, methyl red, Voges-Proskauer and citrate utilization or catalase production test). IMViC is a biochemical test performed to differentiate among the coliforms, specifically Escherichia coli and Enterobacter aerogene.

Methyl red sodium salt is the sodium salt of methyl red synthetic dye, which belongs to the azo group of dyes.

Application

Methyl red sodium salt is primarily used in microbiology in order to identify bacteria such as Enterobacter agglomerans in dye-contaminated sludge.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Electrocatalytic materials for the electrochemical oxidation of synthetic dyes

Panizza M and Cerisola G

Applied Catalysis. B, Environmental, 75(1-2), 95-101 (2007)

A review on commonly used biochemical test for bacteria.

Hemraj V, et al.

Innovare journal of life science , 1(1), 1-7 (2013)

Bacterial decolorization of the azo dye methyl red by Enterobacter agglomerans.

Moutaouakkil A, et al.

Annals of Microbiology, 53(2), 161-170 (2003)

Bulge-like asymmetric heterodye clustering in DNA duplex results in efficient quenching of background emission based on the maximized excitonic interaction.

Taiga Fujii et al.

Chemistry (Weinheim an der Bergstrasse, Germany), 18(35), 10865-10872 (2012-07-26)

Asymmetric dye clusters with a single fluorophore (Cy3) and multiple quenchers (4'-methylthioazobenzene-4-carboxylate, methyl red, and 4'-dimethylamino-2-nitroazobenzene-4-carboxylate) were prepared. The dye and one-to-five quenchers were tethered through D-threoninol to opposite strands of a DNA duplex. NMR analysis revealed that the clusters

Application of the mixture design to optimise the formulation of active consortia to decolorize azo-dye methyl red.

Lamia Ayed et al.

Water science and technology : a journal of the International Association on Water Pollution Research, 62(12), 2837-2845 (2010-12-03)

With the aid of analysis software (Minitab 14.0), the formulation of pure culture in Mineral Salts Medium (MSM) can be optimized for several responses and the best formulation can be obtained. The influence of the different mixtures of three strains

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