| Order No. | Quantity | |
|---|---|---|
A1043,5000
|
5 | kg |
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Specification
| Specification | ||||
|---|---|---|---|---|
| Synonym | prim.-Potassium Phosphate, Potassium Phosphate mono-Basic | |||
| state of matter | Solid | |||
| Solubility (20°C) | 222 g/L (H2O) | |||
| Melting point | approx. 253°C | |||
| Formula | KH2PO4 | |||
| M | 136.09 g/mol | |||
| CAS-No.: | 7778-77-0 | |||
| HS-No.: | 28352400 | |||
| EC-No.: | 231-913-4 | |||
| Storage: | RT | |||
| LGK: | 10 - 13 | |||
| WGK: | 1 | |||
| Specification | ||||
| Assay (titr.) | min. 99.5 % | |||
| pH (5 %; H2O; 20°C) | 4.0 - 4.5 | |||
| Heavy metals (as Pb) | max. 0.001 % | |||
| Insoluble matter | passes test | |||
| Water | max. 0.2 % | |||
| Chloride | max. 0.0005 % | |||
| Sulfate | max. 0.003 % | |||
| A (1 cm/0.1 M in H2O) | ||||
| 260 nm | max. 0.05 | |||
| 280 nm | max. 0.05 | |||