CAS 2139900 appears in our catalog under these names: potasu fosforan II zas. bezw. cz, potasu fosforan II zas. bezw. czda, Potassium phosphate dibasic, 98%. Offered by: Chempur, Fluorochem. Available pack sizes: 50g, 100g, 250g, 500g, 1kg, 25g, 5kg.