Potassium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP•K2) HEDP•Kx; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, potassium salt (1:?)  SynonymsHEDP.Kx;potassium 1-hydroxyethylidene diphosphonate;1-HYDROXYETHANEDIPHOSPHONIC ACID POTASSIUM SALT;Hydroxy Ethylidene Diphosphonic Acid Potassium Salt;POTASSIUM SALT OF(1-HYDROXYETHYLIDENE) DIPHOSPHONATE;1-Hydroxyethane-1,1-diphosphonic acid potassium salt;(1-hydroxyethylidene)bisphosphonic acid, potassium salt;Phosphonic acid, (1-hydroxyethylidine)bis-, potassium salt;Phosphonic acid, (1-hydroxyethylidene)bis-, potassium salt;(1-Hydroxyethylidene)bisphosphonic acid/potassium,(1:x) salt CAS No. 67953-76-8