Potassium phosphate dibasic trihydrate
SIGMA/P9666 - Molecular Biology, ≥99%
Synonym: Dipotassium hydrogen phosphate trihydrate; Dipotassium phosphate; di-Potassium hydrogen phosphate trihydrate
CAS Number: 16788-57-1
Empirical Formula (Hill Notation): HK2O4P · 3H2O
Molecular Weight: 228.22
EC Number: 231-834-5
MDL Number: MFCD00149926
Linear Formula: K2HPO4 · 3H2O
Product Type: Chemical
| anion traces | chloride (Cl-): ≤30 ppm |
| assay | ≥99% |
| cation traces | Fe: ≤10 ppm |
| heavy metals (as Pb): ≤5 ppm | |
| foreign activity | DNase, RNase and protease, none detected |
| form | powder or crystals |
| grade | Molecular Biology |
| InChI | 1S/2K.H3O4P.3H2O/c;;1-5(2 |
| InChI key | XQGPKZUNMMFTAL-UHFFFAOYSA |
| pH | 9.2-9.4 (25 °C, 50 g/L) |
| quality | 200 |
| Quality Level | 200 ![]() |
| SMILES string | O.O.O.[K+].[K+].OP([O-])( |
| solubility | water: 100 mg/mL, clear, colorless |
| 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% |
| UNSPSC | 12161700 |

