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Hi Sir/Madam, We are reaching out to you from National University of Singapore. We want a chemical in Kilogram quantity for manufacturing hair dyes in our laboratory. Can i have a price for the below chemicals? We will be happy to further discuss the order . Name: Potassium carbonate, CAS: 584-08-7, Qty 100 kg, 1000 kg. Regards, Gopal Sr. research Fellow National University of Singapore Singapore.