- Synonyms: Calcium phosphate dibasicr- CaHPO4·2H2Or- M = 172,10 g/molr- CAS [7789-77-7]r- EINECS-No.: 231-826-1r- Solub. in water: (25 ºC): 0,2 g/lr- Tariff number: 2835 25 10 00r- Applications: analytical chemistry, in food industry, manufacture of glass, for dentistry, in pharma industry.r- Appearance: BlancorrSPECIFICATIONSrassay (complexometric): 98,0 - 100,5 %rIdentification A (EP/USP): passes testrIdentification B (EP/USP): passes testrinsoluble in HCl : max. 0,2 %rcarbonates (as CO2): passes testrchlorides (Cl): max. 0,25 %rfluorides (F): max. 50 ppmrsulfates (SO4): max. 0,5 % rarsenic (As): max. 3 ppmrbarium (Ba): passes testriron (Fe): max. 400 ppmrresidue on ignition (800 ºC): 24,5 - 26,5 %r