Dye content(%)..............................................................60
UV absorption(λ_max)....................................................607
Melting Point(°C)...................................................

Trypan blue is a blue acid dye that contains two azo chromophores. It is a large, hydrophilic, tetrasulfonated dye. Trypan blue has been used as a vital stain as it is excluded by most living cells. It has been used to stain collagen and amyloid. It is