Ammonio diidrogenofosfato, EssentQ®

- Synonyms: Ammonium biphosphate, Ammonium phosphate monobasic, Primary ammonium phosphate, Monoammonium ortophosphate
- (NH4)H2PO4
- M = 115,03 g/mol
- CAS [7722-76-1]
- EINECS-No.: 231-764-5
- Solub. in water: (20 ºC): 370 g/l
- Melting point: 190 ºC
- LD 50 (oral, rat): 2500 mg/kg
- Tariff number: 3105 40 00 10
- Applications: in fertilizer compositions, analytical chemistry, in buffer solutions.

SPECIFICATIONS
assay (acidimetric): min. 99 %
pH (5 %, H2O): 4,0 - 4,5
insoluble in water: max. 0,02 %
chlorides (Cl): max. 0,001 %
nitrates (NO3): max. 0,005 %
sulfates (SO4): max. 0,01 %
arsenic (As): max. 1 ppm
copper (Cu): max. 0,001 %
heavy metals (as Pb): max. 0,005 %
iron (Fe): max. 0,001 %
nickel (Ni): max. 0,001 %
lead (Pb): max. 0,001 %