Water blue, also known as aniline blue, Acid blue 22, Soluble Blue 3M, Marine Blue V, or C.I. 42755, is a

chemical compound A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element held together by chemical bonds. A molecule consisting of atoms of only one element ...

used as a stain in

histology Histology, also known as microscopic anatomy or microanatomy, is the branch of biology which studies the microscopic anatomy of biological tissues. Histology is the microscopic counterpart to gross anatomy, which looks at larger structures vi ...

. Water blue stains collagen blue in tissue sections. It is soluble in water and slightly soluble in

ethanol Ethanol (abbr. EtOH; also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic compound. It is an alcohol with the chemical formula . Its formula can be also written as or (an ethyl group linked to a ...

. Water blue is also available in mixture with

methyl blue 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 sections. It can be used in some differential staining techniques such as Mallory's connect ...

, under the names

Aniline Blue WS 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 either one of them. It is a soluble dye used as a biological dye, in fluorescence microscopy, ...

, Aniline blue, China blue, or Soluble blue. It can be used in the

Mallory's trichrome stain Mallory's trichrome stain also called Mallory's Triple Stain is a stain utilized in histology to aid in revealing different macromolecules that make up the cell. It uses the three stains: aniline blue, acid fuchsin, and orange G. As a result, this ...

of connective tissue and

Gömöri trichrome stain Gömöri trichrome stain is a histological stain used on muscle tissue. It can be used to test for certain forms of mitochondrial myopathy. It is named for George Gömöri George Gomori may refer to: * György Gömöri (1904–1957), Hungari ...

of muscle tissue. It is used in

differential staining Differential staining is a staining process which uses more than one chemical stain. Using multiple stains can better differentiate between different microorganisms or structures/cellular components of a single organism. Differential staining is u ...

References

{{Reflist Triarylmethane dyes Staining dyes Benzenesulfonates Organic sodium salts Anilines Acid dyes

See also

References