POTASSIUM PHOSPHATE MONOBASIC ANHYDROUS
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Specifications
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| grade | ACS reagent |
| assay | ≥99.0% |
| total impurities | ≤0.01% Insoluble matter |
| loss | ≤0.2% loss on drying |
| pH | 4.1-4.5 (25 °C |
| pKa (25 °C) | (1) 2.15 - (2) 6.82 - (3) 12.38 (phosphoric acid) |
| mp | 252.6 °C(lit.) |
| density | 2.338 g/mL at 25 °C(lit.) |
| anion traces chloride (Cl-) | ≤0.001% |
| anion traces sulfate (SO42-) | ≤0.003% |
| cation traces Fe | ≤0.002% |
| cation traces Na | ≤0.005% |
| cation traces heavy metals (as Pb) | ≤0.001% |
Chemical Attributes
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| CAS Number | 7778-77-0 |
| Linear Formula | KH2PO4 |
| Molecular Weight | 136.09 |
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