Potassium dihydrogen phosphate solution 1.5 M, sterile-filtered
Supplier: HAMPTON RESEARCH MS
Synonyms:
prim.-Potassium phosphate
, Monopotassiumphosphate
, Potassium dihydrogen orthophosphate
, Potassium phosphate monobasic
, Monobasic Potassium Phosphate
, Potassium orthophosphate monobasic
, Monopotassium phosphate
, Potassium dihydrogenorthophosphate
Crystallization grade potassium phosphate monobasic for formulating screens or for optimization.
- Sterile filtered
Formulated in type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25 °C, <5 ppb total organic carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (<0.01 ng/ml) and DNase-free (<4 pg/µl).
|
Formula:
KH₂PO₄ MW: 136.09 g/mol Melting Pt: 252.6 °C (lit.) |
MDL Number:
MFCD00011401 CAS Number: 7778-77-0 EINECS: 231-913-4 Merck Index: 14,07659 |
Specification Test Results
| Measured pH Range | 3.8 - 4.3 (25 °C) |
| Measured Conductivity Range | 67.7 - 79.1 mS/cm (25 °C) |
| Measured Refractive Index Range | 1.35356 - 1.35459 (20 °C) |
| Total Impurities, Insoluble Matter | Passes Filter Test |
| Al | ≤0.0005% |
| As | ≤0.00001% |
| Ba | ≤0.0005% |
| Bi | ≤0.0005% |
| Ca | ≤0.001% |
| Cd | ≤0.0005% |
| Cl | ≤0.0005% |
| Co | ≤0.0005% |
| Cr | ≤0.0005% |
| Cu | ≤0.0005% |
| Fe | ≤0.0005% |
| Li | ≤0.0005% |
| Mg | ≤0.0005% |
| Mn | ≤0.0005% |
| Mo | ≤0.0005% |
| N | ≤0.001% |
| Na | ≤0.005% |
| Ni | ≤0.0005% |
| Pb | ≤0.0005% |
| SO₄ | ≤0.003% |
| Sr | ≤0.0005% |
| Zn | ≤0.0005% |
| Purity | ≥99.5% |
| pKa1 | 2.15 (25 °C) |
| pka2 | 6.82 (25 °C) |
| pka3 | 12.38 (25 °C) |
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