CAS2809-21-4
FormulaN/A
SynonymEtidronic Acid, Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, Phosphonic acid, (1-hydroxyethylidene)bis-
Chloride1.0% Max
pH< 2 (1% solution)
Iron Content5 ppm Max
Active Matter58 - 62%
Phosphoric acid content2.0% Max
Heavy MetalsAs: < 2 ppm; Cr/Cd/Mn/Cu/Co: < 1 ppm
Specific gravity1.42 - 1.46 g/mL at 25 C
SolubilitySoluble in Water
Density (25°C)1.43 - 1.45
AppearanceClear colorless to pale yellow aqueous solution
Molecular weight206.03