Potassium phosphate monobasic
SIGMA/P5655 - powder, suitable for cell culture, suitable for insect cell culture, suitable for plant cell culture, ≥99.0%
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
| application(s) | diagnostic assay manufacturing |
| assay | ≥99.0% |
| density | 2.338 g/mL at 25 °C (lit.) |
| form | powder |
| InChI | 1S/K.H3O4P/c;1-5(2,3)4/h; |
| InChI key | GNSKLFRGEWLPPA-UHFFFAOYSA |
| mp | 252.6 °C (lit.) |
| pH | 4.2-4.6 (20 °C, 20 g/L) |
| 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 | water: 100 mg/mL, clear, colorless |
| storage temp. | room temp |
| technique(s) | cell culture | insect: suitable |
| cell culture | mammalian: suitable | |
| cell culture | plant: suitable |
| Application: | • Potassium phosphate monobasic has been used during isolation of protein from bacterial cells. • It has been used in the preparation of PZM-3 (defined medium for porcine embryos) medium. • It has been used in the preparation of phosphate buffer saline. |
| 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 | ≥99.0% |
| mp | 252.6 °C (lit.) |
| Density | 2.338 g/mL at 25 °C (lit.) |
| Storage Temp. | room temp |
| UNSPSC | 12161700 |

