Description: A greenish or yellow-brown crystalline solid. Density 15.0 lb /gal. Melts at 64°C and loses the seven waters of hydration at 90°C. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Used for water or sewage treatment, as a fertilizer ingredient.

storage: Package:25kg/ bag with nontoxic polyethylene bags. 

Water treatment chemicals ferrous sulfate have reached the national standard and superior (GB10531-2006).