Main applications of toluidine blue_Kain Industrial Additives

background and overview[1][2] toluidine blue is also called toluidine blue; 2,2′-[(9,10-dihydro-4,8-dihydroxy-9,10-dioxo-1,5-anthracenediyl)di imino]bis(5-methylbenzenesulfonic acid) disodium sa…