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Key Documents

M5528

Sigma-Aldrich

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:
Molecular Weight:
799.80
Colour Index Number:
42780
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

product name

Methyl Blue, certified by the Biological Stain Commission

grade

certified by the Biological Stain Commission

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

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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Suitability

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 Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Development of a bone reconstruction technique using a solid free-form fabrication (SFF)-based drug releasing scaffold and adipose-derived stem cells.
Lee JW, et al.
Journal of Biomedical Materials Research Part A, 101, 1865-1865 (2013)
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

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