Description: 
Appearance: green glossy crystalloid powder.
Solubility: soluble in water and alcohol, a purple solution, soluble in glycerin and chloroform, hardly soluble in ether.
Melting point: 137℃(resolve).
Used: Photometric determination of zinc and cadmium, mercury, antimony, thallium and gold and precipitation zinc and cadmium and antimony. PH indicator, pH has three discoloration area: pH0.13 (yellow) ~ 0.5 (green), pH1.0 (green) ~ 1.5 (blue), pH2.0 (blue) ~ 3.2 (purple). Biological dye.
Storage: This product should be preservation in a sealed dry dark place.