Potassium Phosphate Monobasic AR , Pharma 1Kg
26936.293-1Kg
Synonyms: Potassium dihydrogen orthophosphate , Potassium phosphate monobasic , Monobasic Potassium Phosphate
Formula: KH2 PO4 MW: 136.09 g/mol Boiling Pt: ~100 °C (1013 hPa) Melting Pt: 253 °C Density: 2.3 g/cm³ (20 °C) Storage Temperature: Ambient |
CAS Number: 7778-77-0 UN: 0000 - NON Hazardous for freight and storage |
Specification Test Results
Assay (calculated on dried substance) | 99.5 - 100.5 % |
Appearance of solution S | Passes test Ph.Eur. |
Identification A | Passes test Ph.Eur. |
Identification B | Passes test Ph.Eur. |
Identification C | Passes test Ph.Eur. |
Reducing substances | Passes test Ph.Eur. |
Solubility in water | Passes test |
Solution S | Passes test Ph.Eur. |
pH (20°C; 5 %) | 4.2 - 4.5 |
Heavy metals (as Pb) | Max. 10 ppm |
Loss on drying (105°C) | Max. 2 % |
Total N (Nitro gen) | Max. 10 ppm |
Water | Max. 0.2 % |
Cl (Chlo ride) | Max. 5 ppm |
SO4 (Sulp hate) | Max. 30 ppm |
As (Ars enic) | Max. 0.5 ppm |
Ca (Calc ium) | Max. 100 ppm |
Cu (Co pper) | Max. 3 ppm |
Fe (Ir on) | Max. 10 ppm |
Mg (Magn esium) | Max. 20 ppm |
Na (Sod ium) | Max. 0.02 % |
Pb (Le ad) | Max. 10 ppm |
Conforms to Reag. Ph.Eur. | Passes test |
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