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69140

Sigma-Aldrich

Methyl Red sodium salt

ACS reagent, indicator (pH 4.2-6.2)

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:
329761406
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grade

ACS reagent
indicator (pH 4.2-6.2)

form

powder

technique(s)

titration: suitable

visual transition interval

4.2-6.2, pink to yellow

solubility

H2O: soluble

SMILES string

c1ccsc1
[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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Storage Class Code

11 - Combustible Solids

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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Certificates of Analysis (COA)

Lot/Batch Number
BCCK6100
BCBS8119V

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S S Gomare et al.
Journal of applied microbiology, 106(3), 993-1004 (2009-02-04)
To evaluate the potential of Brevibacillus laterosporus MTCC 2298 for the decolourization of different textile azo dyes including methyl red, mechanism of biotransformation and the toxicity of products. Brevibacillus laterosporus showed decolourization of thirteen different azo dyes including methyl red.
Zhang Haibo et al.
Biotechnology letters, 31(6), 837-843 (2009-02-18)
A laccase was purified from Trametes hirsuta. This laccase was classified as a "white" or "yellow" laccase. pH 2.4 was optimal for the oxidation of ABTS and pH 2.5 for DMP. DMP oxidation was optimal at 85 degrees C. The
F Ciuchi et al.
The European physical journal. E, Soft matter, 29(2), 139-147 (2009-06-11)
The spontaneous formation of dendritic aggregates is observed in a two-dimensional confined layered system consisting of a film composed of liquid crystal, dye and solvent cast above a polymer substrate. The observed aggregates are promoted by phase separation processes induced
Jinhui Feng et al.
Archives of biochemistry and biophysics, 520(2), 99-107 (2012-03-06)
AzoA from Enterococcus faecalis is a member of the polymeric flavin-dependent NADH-preferred azoreductase group. Little is known about the binding and interaction of NADH and azo dye in the azoreductase group. A synergetic strategy based on computational prediction, reverse genetics
X D Zhang et al.
Journal of hazardous materials, 170(2-3), 883-887 (2009-06-09)
An aqueous C.I. Acid Red 2 solution was decolorized by electrolysis using iron as anode. The decolorization mechanism was investigated through experimental observations on the electrochemical behavior of C.I. Acid Red 2 on Pt rotating disk electrode, UV-visible spectra of
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