Methylene blue is a heterocyclic aromatic chemical compound with the chemical formula C16H18N3SCl. It has many uses in biology and chemistry; for example, it can be used as a stain and as a pharmaceutical drug. At room temperature it appears as a solid, odorless, dark green powder, that yields a blue solution when dissolved in water. The hydrated form has 3 molecules of water per unit of methylene blue. Methylene blue should not be confused with methyl blue, another histology stain, new methylene blue, nor with the methyl violets often used as pH indicators.
The International Nonproprietary Name (INN) of methylene blue is methylthioninium chloride. Synonym: 3,7-bis(Dimethylamino)phenazathionium chloride, Basic Blue 9, Tetramethylthionine chloride
Agglutinating Sera are packaged 2 ml/Vial and are CE Marked.
Agglutinating Sera for identification of flagellar H antigens of Salmonella strains by slide and/or tube agglutination test. Select sera also for use as positive controls for stained Salmonella suspensions