Emetic (Safener of Paraquat) Wholesale
Pure white needle crystal. Soluble in water and methanol, slightly soluble in acetone and ethanol, insoluble in hydrocarbons. It often contains water of crystal, which is lost at 50℃. Aqueous solution with insurance powder and ammonia water after dark purple, very dilute when pure blue, very concentrated when purple, this characteristic can be used as a REDOX indicator (blue ~ colorless), stable in acidic medium, in alkaline medium instability, corrosion of metal. Melting point of 175-180 ℃.