Acid fuchsin is an acidic dye that has wide usage in histology. Acid Fuchsin is one of the dyes used in Masson's Trichrome Stain. This method is commonly used to stain tissue sections in the Histology Laboratory in order to distinguish muscle from collagen. The muscle stains red with the acid fuchsin, and the collagen is stained green or blue with light green SF yellowish or methyl blue.

Formula:

• 1 gm of Acid Fuchsin
• 1 mL of Glacial acetic acid
  Acetic acid
  Acetic acid is an organic compound with the chemical formula CH3CO2H . It is a colourless liquid that when undiluted is also called glacial acetic acid. Acetic acid is the main component of vinegar , and has a distinctive sour taste and pungent smell...
  
  (HOAc)
• 100 mL of Distilled water