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114502

Sigma-Aldrich

Methyl Red sodium salt

ACS reagent, Dye content 95 %

Sinónimos:

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

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About This Item

Fórmula empírica (notación de Hill):
C15H14N3NaO2
Número de CAS:
845-10-3
Peso molecular:
291.28
Colour Index Number:
13020
Beilstein/REAXYS Number:
4065488
EC Number:
212-682-9
MDL number:
MFCD00002426
UNSPSC Code:
12171500
PubChem Substance ID:
24847176
NACRES:
NA.47

grade

ACS reagent

Quality Level

200

agency

suitable for SM 2310
suitable for SM 2320

form

powder

composition

Dye content, 95%

technique(s)

titration: suitable

visual transition interval

4.2-6.2, pink to yellow

solubility

water: 0.1%

λmax

437 nm

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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Biochem/physiol Actions

Methyl Red is a pH indicator and it changes color at a pH of 5.5.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
0000364338
0000364338
SHBR3929
0000246470
0000280540

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An improved dithizone method for the determination of small quantities of zinc in blood and tissue samples.
Vallee BL and Gibson JG 2nd
The Journal of Biological Chemistry, 176, 435-443 (1948)
Reza Amin et al.
Micromachines, 11(6) (2020-07-01)
To transform from reactive to proactive healthcare, there is an increasing need for low-cost and portable assays to continuously perform health measurements. The paper-based analytical devices could be a potential fit for this need. To miniaturize the multiplex paper-based microfluidic
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
Robin L Stingley et al.
Journal of medical microbiology, 59(Pt 1), 108-114 (2009-09-05)
Reduction of Methyl Red (MR) and Orange II (Or II) by 26 human skin bacterial species was monitored by a rapid spectrophotometric assay. The analysis indicated that skin bacteria, representing the genera Staphylococcus, Corynebacterium, Micrococcus, Dermacoccus and Kocuria, were able
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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