tetra-Potassium pyrophosphate, min. 97 %, pure, 500 g, plastic

tetra-Potassium pyrophosphate, min. 97 %, pure, Molar mass (M) 330,34 g/mol, Density (D) 2,61 g/cm³, CAS No. 7320-34-5, EC No. 230-785-7, Empirical formula K₄P₂O₇