Butanedioic acid,potassium salt (1:?)

Dear Sir and Madame I am looking for the following raw materials. I am asking for information regarding the availability of raw materials and the price of FCA/FOB, in the amount of 10ton for each raw material below. Lp.SubstanceQualityCAS2.(dipotassium tetraborate, tetrahydrate)-12045-78-23.(potassium 2-ethylheksanoate)-3164-85-04.(potassium succinate)-22445-04-15.4-metylobenzotriazol or 5-metylobenzotriazol, or mix (tolytriazol, tolutriazol) 136-85-6 /29385-43-1 I would be appreciate for TDS/MSDS for available products.Thank you in advance for your support.