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Merck

19-4120

Methyl Red

JIS special grade

Synonym(s):

2-(4-Dimethylaminophenylazo)benzoic acid, 4-Dimethylaminoazobenzene-2′-carboxylic acid, Acid Red 2

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About This Item

Linear Formula:
(CH3)2NC6H4N=NC6H4CO2H
CAS Number:
493-52-7
Molecular Weight:
269.30
Colour Index Number:
13020
Beilstein:
750102
EC Number:
207-776-1
MDL number:
MFCD00002425
UNSPSC Code:
12352107
PubChem Substance ID:
329751866

Key Documents

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grade

JIS special grade

availability

available only in Japan

mp

179-182 °C (lit.)

SMILES string

CN(C)c1ccc(cc1)\N=N\c2ccccc2C(O)=O

InChI

1S/C15H15N3O2/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)/b17-16+

InChI key

CEQFOVLGLXCDCX-WUKNDPDISA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 2

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
U0557
U2546
U5422
U2293
U3245

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Chan-Ju Wang et al.
Acta crystallographica. Section F, Structural biology and crystallization communications, 66(Pt 1), 2-7 (2010-01-09)
Azoreductase 1 from Pseudomonas aeruginosa strain PAO1 (paAzoR1) catalyses the activation of the prodrug balsalazide and reduces the azo dye methyl red using reduced nicotinamide adenine dinucleotide cofactor as an electron donor. To investigate the mechanism of the enzyme, a
Oana Alexandru et al.
Journal of neuro-oncology, 102(1), 9-18 (2010-07-17)
A major focus of brain cancer research today is to translate understanding of glioma biology into advances in treatment, by exploring the potential of target therapy. Here we investigated the ability of three compounds belonging to the chemical class of
Yuyi Yang et al.
Bioresource technology, 130, 517-521 (2013-01-17)
Azo dyes are toxic and carcinogenic and are often present in industrial effluents. In this research, azoreductase and glucose 1-dehydrogenase were coupled for both continuous generation of the cofactor NADH and azo dye removal. The results show that 85% maximum
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
Danmeng Shuai et al.
Environmental science & technology, 44(5), 1773-1779 (2010-02-11)
Azo dyes are widespread pollutants and potential cocontaminants for nitrate; we evaluated their effect on catalytic reduction of a suite of oxyanions, diatrizoate, and N-nitrosodimethylamine (NDMA). The azo dye methyl orange significantly enhanced (less than or equal to a factor
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