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Ammonium dihydrogen phosphate, for analysis, ExpertQ®, ACS, Reag. Ph Eur

- Synonyms: Ammonium biphosphate, Ammonium phosphate monobasic, Primary ammonium phosphate, Monoammonium ortophosphater- (NH4)H2PO4r- M = 115,03 g/molr- CAS [7722-76-1]r- EINECS-No.: 231-764-5r- Solub. in water: (20 ºC): 370 g/lr- Melting point: 190 ºCr- LD 50 (oral, rat): 2500 mg/kgr- Tariff number: 3105 40 00 10r- Applications: in fertilizer compositions, analytical chemistry, in buffer solutions.rrSPECIFICATIONSrassay (acidimetric): min. 98,0 %ridentity (IR-spectrum): passes testrinsoluble in water: max. 0,005 %rpH (2,3 %, H2O) : about 4,2rpH (5 %, H2O): 3,8 - 4,4 rchlorides (Cl): max. 5 ppmrnitrates (NO3): max. 0,001 %rsulfates (SO4): max. 0,005 %rcalcium (Ca): max. 0,001 %rheavy metals (as Pb): max. 5 ppmriron (Fe): max. 0,001 %rmagnesium (Mg): max. 5 ppmrpotassium (K): max. 0,005 %rsodium (Na): max. 0,005 %r