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Methyl blue information


Not to be confused with methyl violet or methylene blue.
Methyl blue
Solid methyl blue
Methyl blue aqueous solution
Names
Other names
Cotton blue, Helvetia blue, Acid blue 93, C.I. 42780
Identifiers
CAS Number
  • 28983-56-4 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 8051359 checkY
ECHA InfoCard 100.044.852 Edit this at Wikidata
PubChem CID
  • 9875677
UNII
  • 9ZI2A1BMBB checkY
CompTox Dashboard (EPA)
  • DTXSID80214360 DTXSID90889705, DTXSID80214360 Edit this at Wikidata
InChI
  • 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 checkY
    Key: MCPLVIGCWWTHFH-UHFFFAOYSA-L checkY
  • InChI=1/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
    Key: MCPLVIGCWWTHFH-NUQVWONBAI
SMILES
  • [Na+].[Na+].[O-]S(=O)(=O)c1ccc(cc1)Nc2ccc(cc2)C(=C4C=CC(=[NH+]c3ccc(cc3)S([O-])(=O)=O)C=C4)c6ccc(Nc5ccc(cc5)S([O-])(=O)=O)cc6
Properties
Chemical formula
 C37H27N3Na2O9S3
Molar mass 799.814 g/mol
Appearance red solid
Solubility in water
 Soluble in water, slightly soluble in ethanol
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
1
0
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)
Infobox references

Methyl blue is a chemical compound with the molecular formula C37H27N3Na2O9S3. It is used as a stain in histology,[1] and stains collagen blue in tissue sections. It can be used in some differential staining techniques such as Mallory's connective tissue stain and Gömöri trichrome stain, and can be used to mediate electron transfer in microbial fuel cells. Fungal cell walls are also stained by methyl blue.

Methyl blue is also available in mixture with water blue, under name Aniline Blue WS, Aniline blue, China blue, or Soluble blue; and in a solution of phenol, glycerol, and lactic acid under the name Lactophenol cotton blue (LPCB), which is used for microscopic visualization of fungi.

  1. ^ R. W. Sabnis (2010). Handbook of Biological Dyes and Stains: Synthesis and Industrial Applications. John Wiley & Sons. p. 24.

and 24 Related for: Methyl blue information

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Methyl blue

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Methyl blue is a chemical compound with the molecular formula C37H27N3Na2O9S3. It is used as a stain in histology, and stains collagen blue in tissue...

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Lactophenol cotton blue

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Lactophenol cotton blue (LCB) is a mixture of methyl blue, a histological stain, and lactophenol (a solution of phenol, lactic acid, and glycerol in water)...

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Blue

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filled with silicon. Methyl blue is the dominant blue pigment in inks used in pens. Blueprinting involves the production of Prussian blue in situ. Certain...

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Methyl violet

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Methyl violet is a family of organic compounds that are mainly used as dyes. Depending on the number of attached methyl groups, the color of the dye can...

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Aniline Blue WS

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Aniline Blue WS, also called aniline blue, diphenylamine blue, China blue, or Soluble blue, is a mixture of methyl blue and water blue. It may also be...

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Methyl anthranilate

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Methyl anthranilate, also known as MA, methyl 2-aminobenzoate, or carbomethoxyaniline, is an ester of anthranilic acid. Its chemical formula is C8H9NO2...

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Methyl orange

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Methyl orange is a pH indicator frequently used in titration because of its clear and distinct color variance at different pH values. Methyl orange shows...

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Crystal violet

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during orientation. Methyl green Methyl violet Fluorescein Prussian blue Egyptian blue Methyl blue Methylene blue New methylene blue Han purple Potassium...

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Water blue

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also available in mixture with methyl blue, under the names Aniline Blue WS, Aniline blue, China blue, or Soluble blue. It can be used in the Mallory's...

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Acid fuchsin

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acid fuchsin, and the collagen is stained green or blue with Light Green SF yellowish or methyl blue. It can also be used to identify growing bacteria...

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Methanol

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Methanol (also called methyl alcohol and wood spirit, amongst other names) is an organic chemical compound and the simplest aliphatic alcohol, with the...

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Methyl group

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In organic chemistry, a methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms, having chemical formula...

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Methyl salicylate

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Methyl salicylate (oil of wintergreen or wintergreen oil) is an organic compound with the formula C8H8O3. It is the methyl ester of salicylic acid. It...

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Blue cheese

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Similarly to other kinds of blue cheeses, Roquefort's flavor and odor can be attributed to the particular mixture of methyl ketones such as 2-heptanone...

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Universal indicator

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1-propanol, phenolphthalein, sodium hydroxide, methyl red, bromothymol blue, sodium bisulfite, and thymol blue. The colours that indicate the pH of a solution...

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Triarylmethane dye

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the methyl violet dyes, except that they contain one phenyl (C6H5) group. Malachite green dyes Malachite green Brilliant green (dye) Brilliant blue FCF...

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Methyl nitrate

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with compressed air. Methyl nitrate is a sensitive explosive. When ignited it burns extremely fiercely with a gray-blue flame. Methyl nitrate is a very strong...

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Butanone

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Butanone, also known as methyl ethyl ketone (MEK) or ethyl methyl ketone, is an organic compound with the formula CH3C(O)CH2CH3. This colorless liquid...

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Coomassie brilliant blue

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biochemistry. Coomassie brilliant blue G-250 differs from Coomassie brilliant blue R-250 by the addition of two methyl groups. The name "Coomassie" is a...

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Trichrome staining

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Biebrich scarlet, ponceau 6R, phloxine Blue and green Light green SF yellowish, Fast Green FCF, methyl blue, water blue Yellow Picric acid, orange G, Martius...

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List of dyes

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13065 azo 587-98-4 Methyl blue Cotton blue Helvetia blue Acid blue 93 42780 triarylmethane 28983-56-4 Methyl green Light green Basic blue 20 42585 triarylmethane...

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Microbial fuel cell

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electrode is facilitated by mediators such as thionine, pyocyanin, methyl viologen, methyl blue, humic acid, and neutral red. Most available mediators are expensive...

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IMViC

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an acronym for each of these tests. "I" is for indole test; "M" is for methyl red test; "V" is for Voges-Proskauer test, and "C" is for citrate test....

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Ester

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esters, e.g., methyl perchlorate (CH3−O−Cl(=O)3) Sulfuric acid forms sulfate esters, e.g., dimethyl sulfate ((CH3−O−)2S(=O)2) and methyl bisulfate (CH3−O−S(=O)2−OH)...

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