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Dear Sir/Madam, I am Daniel Dobai, a chemical engineering student at the Budapest University of Technology and Economics. In my research, I am using Benzenesulfonic acid, 3,3′,3′′-phosphinidynetris-, sodium salt (1:3). My question is, what is the price to purchase 1 ton of Benzenesulfonic acid, 3,3′,3′′-phosphinidynetris-, sodium salt (1:3) from your company? Yours Sincerely Daniel Dobai