... % TECH, PARAQUAT 20% SL ,low price ,nice services Properties: dichloride is colorless crystal; decompound in 300at approximately 300°C. Sparingly soluble in ... blue black liquid, non-flammable, non-explosive, Specific gravity in 20°C 1.08, pH7.0±0.5, isn't corrosive to ... metals. In 25°C, its storage period is not less then 2 years Uses ...