Potassium phosphate dibasic trihydrate
SIGALD/60349 - puriss. p.a., ≥99.0% (T)
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-): ≤20 mg/kg |
| sulfate (SO42-): ≤50 mg/kg | |
| assay | ≥99.0% (T) |
| cation traces | As: ≤0.1 mg/kg |
| Ca: ≤10 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤5 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Na: ≤500 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| form | crystals |
| grade | puriss. p.a. |
| impurities | ≤0.001% total nitrogen (N) |
| InChI | 1S/2K.H3O4P.3H2O/c;;1-5(2 |
| InChI key | XQGPKZUNMMFTAL-UHFFFAOYSA |
| pH | 9.1-9.4 (25 °C, 50 mg/mL in H2O) |
| Quality Level | 200  |
| SMILES string | O.O.O.[K+].[K+].OP([O-])( |
| General description: | Potassium phosphate dibasic trihydrate (K2HPO4.3H2O, Dipotassium hydrogen phosphate trihydrate, Dipotassium phosphate, di-Potassium hydrogen phosphate trihydrate) is the potassium salt having a pH in the range of 9.1-9.4. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% (T) |
| UNSPSC | 12352302 |