We are Mallinckrodt Baker based in Paris, USA. We are member of exporthub.com since September, 2008. Our business is related to Chemicals industry and we specifically deal in Potassium Chloride, Sodium Chloride. Please find our product details below:Sell - Ferrous Sulfate 7 Hydrate - Granular - 250lb DrumThe product has some appearance of rust colored particles throughout each can provide a C/A. However, the product will not have a gaurantee. It will be sold as is I can send a sample at minimal costs.Overstocked! Ferrous Sulfate Monohydrate USP/GMP GradeWe have 360 x 110lb units. A total of 39, 600lbs. This is HIGH quality USP/GMP grade Ferrous Sulfate, Monohydrate.Please email me for Pricing and a C/A with the specifications.There is NOTHING wrong with the material.Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.