Basic fuchsin is a magenta dye with chemical formula C20H19N3·HCl.It becomes magenta when dissolved in water; as a solid, it forms dark green crystals. As well as dying textiles, fuchsine is used to stain bacteria and sometimes as a disinfectant.

Methylene blue is a compound that occurs as crystals or crystalline powder, having a bronze-like luster. It is soluble in water, chloroform and partially soluble in alcohol. It is a photoactive dye, which is a member of phenothiazine family. Application: Methylene Blue, also Known as…

Phenol red (also known as phenolsulfonphthalein or PSP) is a pH indicator frequently used in cell biology laboratories. Appearance : Red to maroon crystals or powder Solubility: 10 ppm in pH 9 aq. buffer yields clear solution