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Merck

M5528

Methyl Blue

certified by the Biological Stain Commission, powder

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C37H27N3Na2O9S3
CAS Number:
28983-56-4
Molecular Weight:
799.80
NACRES:
NA.47
PubChem Substance ID:
329818015
UNSPSC Code:
12171500
EC Number:
249-352-9
MDL number:
MFCD00058509
Colour Index Number:
42780

Key Documents

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Product Name

Methyl Blue, certified by the BSC

InChI key

MCPLVIGCWWTHFH-UHFFFAOYSA-L

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

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

agency

certified by the BSC

form

powder

technique(s)

microbe id | staining: suitable

solubility

H2O: 1 mg/mL, blue

εmax

≥700 at 594-610 nm in 5 mM HCl

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

200

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Related Categories

Application

Certified as aniline blue for use in Mallory′s connective tissue stain and as a substitute for fast green FCF in Gomori′s one-step trichrome procedure.

Storage Class

13 - Non Combustible Solids

wgk

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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Certificates of Analysis (COA)

Lot/Batch Number
SHBM7285
SHBM0391
MKCG1609
MKCF2706
SLBP6577V

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An optimal condition applied to the Taguchi method with an L(9) orthogonal array for preparing a visible-light driven nitrogen-modified TiO(2) (N-TiO(2)) photocatalyst by a simple hydrolysis method has been examined for material characteristics and a photodecolorization test of methyl blue
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