Di-tert-butyl potassium phosphate33494-80-3100 % similar Potassium tripolyphosphate13845-36-843 % similar Sodium phosphate (Na6P6O18)10124-56-833 % similar Phosphoric aci di-T-butyl exter chloromethyl ester229625-50-733 % similar Potassium pyrophosphate7320-34-533 % similar Sodium trimetaphosphate7785-84-433 % similar Tripotassium phosphate7778-53-232 % similar