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Sodium dihydrogen phosphate anhydrous, Pharmpur®, BP, USP

- Synonyms: Sodium biphosphate, Sodium phosphate monobasicr- NaH2PO4r- M = 120,0 g/molr- CAS [7558-80-7]r- EINECS-No.: 231-449-2r- Solub. in water: (20 ºC): 850 g/lr- Melting point: 200 ºCr- LD 50 (oral, rat): 8290 mg/kgr- Tariff number: 2835 22 00 00r- Applications: analytical chemistry, laboratory reagent, in food industry (E 339), in pharma industry.rrSPECIFICATIONSrassay (acidimetric, referred to dried sample): 98,0 - 100,5 %rIdentification A (EP): passes testrIdentification phosphates USP: passes testrIdentification C (EP): passes testrIdentification sodium: passes testrIdentification phosphates EP: passes testrappearance of solution: clear and colourlessrinsoluble in water: max. 0,2 %rpH (5 %, H2O): 4,1 - 4,5 rchlorides (Cl): max. 0,014 %rsulfates (SO4): max. 300 ppmraluminium,calcium and related elements: passes testrarsenic (As): max. 2 ppmriron (Fe): max. 10 ppmrreducing substances: passes testrloss on drying (130 ºC): max. 1,0 %rwater (K.F.): max. 2,0 %r