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114502

Methyl Red sodium salt

ACS reagent, Dye content 95 %

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
EC Number:
212-682-9
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24847176
MDL number:
MFCD00002426
Colour Index Number:
13020
Beilstein/REAXYS Number:
4065488

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InChI key

GNTPCYMJCJNRQB-CMBBICFISA-M

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+;

SMILES string

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

grade

ACS reagent

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

Quality Level

200

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This Item
M8256250198861235
Methyl Red sodium salt ACS reagent, Dye content 95 %

Sigma-Aldrich

114502

Methyl Red sodium salt

Methyl Red sodium salt Crystalline

Sigma-Aldrich

M8256

Methyl Red sodium salt

Methyl Red ACS reagent, crystalline

Sigma-Aldrich

250198

Methyl Red

Methyl Red hydrochloride ACS reagent

Sigma-Aldrich

861235

Methyl Red hydrochloride

grade

ACS reagent

grade

-

grade

ACS reagent

grade

ACS reagent

technique(s)

titration: suitable

technique(s)

titration: suitable

technique(s)

titration: suitable

technique(s)

-

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

form

powder

form

powder

form

crystalline

form

powder or crystals

solubility

water: 0.1%

solubility

soluble, clear, orange

solubility

ethanol: 1 mg/mL

solubility

ethanol: 0.1%

composition

Dye content, 95%

composition

-

composition

-

composition

-

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

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
0000532178
0000532178
0000525123
0000525124
0000525123

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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
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
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
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
View All Related Papers

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