Aniline Blue 25g

Aniline Blue 25g

Aniline Blue, diphenylamine blue, China blue, or Soluble blue, is a mixture of methyl blue and water blue. It is a soluble dye used as a biological dye, in fluorescence microscopy, appearing a yellow-green colour after excitation with violet light. It is a mixture of the trisulfonates of triphenyl rosaniline and of diphenyl rosaniline.

IUPAC name : disodium-2-amino-3-methyl-5-[[4-(4-sulfonatoanilino)phenyl]-[4-(4-sulfophenyl)iminocyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate

Properties

Aniline Blue 25g

Dye

C₃₂H₂₅N₃Na₂O₉S₃

M.W. : 737.7 g/mol

CAS Number: 28631-66-5

https://pubchem.ncbi.nlm.nih.gov/compound/135871623

Chemical Safety

Irritant

Uses

Aniline Blue or its constituents are used to stain collagen, as the fibre stain in Masson’s trichrome, as well as to reveal callose structures in plant tissues.

It can be used in the Mallory’s connective tissue stain and Gömöri trichrome stain. It is used in differential staining.