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95290

Sigma-Aldrich

Methyl Blue

for microscopy (Bot., Hist.), indicator (pH 9.4-14.0)

Sinónimos:

Acid blue 93, Aniline blue water soluble, Cotton blue, Poirriers blue, Water blue

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About This Item

Fórmula empírica (notación de Hill):
C37H27N3Na2O9S3
Número de CAS:
28983-56-4
Peso molecular:
799.80
Colour Index Number:
42780
EC Number:
249-352-9
MDL number:
MFCD00058509
UNSPSC Code:
12171500
PubChem Substance ID:
329770433
NACRES:
MA.02

grade

for microscopy (Bot., Hist.)
indicator (pH 9.4-14.0)

Quality Level

200

form

powder or crystals

pH

9.4-14

solubility

water: 0.01 g/10 mL, blue to very deep blue

εmax

≥200 at 310-320 nm
≥400 at 595-605 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].OS(=O)(=O)c1ccc(Nc2ccc(cc2)\C(c3ccc(Nc4ccc(cc4)S([O-])(=O)=O)cc3)=C5/C=CC(\C=C5)=N/c6ccc(cc6)S([O-])(=O)=O)cc1

InChI

1S/C37H29N3O9S3.2Na/c41-50(42,43)34-19-13-31(14-20-34)38-28-7-1-25(2-8-28)37(26-3-9-29(10-4-26)39-32-15-21-35(22-16-32)51(44,45)46)27-5-11-30(12-6-27)40-33-17-23-36(24-18-33)52(47,48)49;;/h1-24,38-39H,(H,41,42,43)(H,44,45,46)(H,47,48,49);;/q;2*+1/p-2

InChI key

MCPLVIGCWWTHFH-UHFFFAOYSA-L

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General description

Methyl Blue (C.l. 42780) is a triaminotriphenylmethane dye with each amino group carrying a monosulfonated phenyl substituent. It is also known as Water blue, Acid blue 93, Cotton blue, Poirriers blue, and Aniline blue water soluble.

Application

Methyl Blue has been used:
  • to stain leaf disks for callose visualization within the cells
  • to incubate cells for 4′,6-diamidino-2-phenylindole (DAPI)/septa staining
  • as a marker for β-(1-3)-d-glucans or acidic phloroglucinol for the detection of callose and lignin
  • in Mann′s stain as it involves a methyl blue-eosin mixture

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 2

flash_point_f

>572.0 °F - Pensky-Martens closed cup

flash_point_c

> 300 °C - Pensky-Martens closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
BCCK8203
BCCB9353
BCBV2236
BCBR0621V
BCBM0641V

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A Arunarani et al.
Colloids and surfaces. B, Biointerfaces, 102, 379-384 (2012-09-27)
Basic Violet 3 and Acid Blue 93 are the most important group of synthetic colourants extensively used in textile industries for dyeing cotton, wool, silk and nylon. Release of these dye pollutants in to the environment adversely affects the human
Ja-An Annie Ho et al.
Analytical and bioanalytical chemistry, 391(2), 479-485 (2008-02-15)
Salmonellae are ubiquitous human pathogens, which pose a danger to the elderly and children. Due to the increased number of outbreaks of human illness associated with the consumption of contaminated products in the USA and many other countries, there is
Christos Haritoglou et al.
Retina (Philadelphia, Pa.), 29(9), 1266-1273 (2009-11-26)
The purpose of this study was to investigate the biocompatibility of aniline and methyl blue in a well-established cell culture model and assess the staining properties of these dyes at the level of the internal limiting membrane (ILM) in human
Juan Guo et al.
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