Description:
This product is dark red metallic crystal powder.It is soluble in ethanol and  the solution is red.It is slightly soluble in water . The  aqueous solution is orange-red in acidic medium ,  red in neutral medium and purple in alkaline medium.It is used for bismuth, cadmium, cobalt, magnesium, manganese, nickel, lead and rare earth metal complexation titration indicator.This product should be sealed in a cool and dry place.