16068-46-5 44042-47-9 7778-53-2 CCRIS 7321 Caswell No. 700A EINECS 231-907-1 EPA Pesticide Chemical Code 076407 Phosphoric acid, tripotassium salt Potassium orthophosphate Potassium phosphate Potassium phosphate (K3PO4) Potassium phosphate, tribasic Tripotassium orthophosphate Tripotassium phosphate