Potassium phosphate monobasic
SIGMA/P9791 - Molecular Biology, ≥98.0%
Synonym: Potassium dihydrogen phosphate; prim.-Potassium phosphate
CAS Number: 7778-77-0
Empirical Formula (Hill Notation): H2KO4P
Molecular Weight: 136.09
EC Number: 231-913-4
MDL Number: MFCD00011401
Linear Formula: KH2PO4
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: P9791-100G
This image depicts SKU: P9791-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: P9791-500G
This image depicts SKU: P9791-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: P9791-1KG
This image depicts SKU: P9791-1KG
| anion traces | chloride (Cl-): ≤10 ppm |
| application(s) | diagnostic assay manufacturing |
| assay | ≥98.0% |
| cation traces | Fe: ≤20 ppm |
| heavy metals (as Pb): ≤10 ppm | |
| density | 2.338 g/mL at 25 °C (lit.) |
| foreign activity | DNase, Exonuclease; NICKase, Endonuclease; RNase and protease, none detected |
| form | powder |
| grade | Molecular Biology |
| InChI | 1S/K.H3O4P/c;1-5(2,3)4/h; |
| InChI key | GNSKLFRGEWLPPA-UHFFFAOYSA |
| mp | 252.6 °C (lit.) |
| pKa (25 °C) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
| Quality Level | 200  |
| SMILES string | [K+].OP(O)([O-])=O |
| solubility | H2O: 100 mg/mL |
| Application: | Potassium phosphate monobasic has been used: • in high-throughput fluorescence assay of cytochrome P450 3A4 • in morphological analysis of neuromuscular junction development and degeneration in rodent lumbrical muscles • in the measurement of net high-affinity urea uptake in maize plants |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 100, 500 g in poly bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥98.0% |
| mp | 252.6 °C (lit.) |
| Density | 2.338 g/mL at 25 °C (lit.) |
| UNSPSC | 12161700 |