Potassium sulfate
SIGALD/12658 - meets analytical specification of Ph. Eur., 99-101%
CAS Number: 7778-80-5
Empirical Formula (Hill Notation): K2O4S
Molecular Weight: 174.26
EC Number: 231-915-5
MDL Number: MFCD00011388
Linear Formula: K2SO4
Product Type: Chemical
| anion traces | chloride (Cl-): ≤20 mg/kg |
| assay | 99-101% |
| cation traces | As: ≤2 mg/kg |
| Ca: ≤50 mg/kg | |
| Fe: ≤10 mg/kg | |
| Mg: ≤20 mg/kg | |
| Na: ≤100 mg/kg | |
| form | solid |
| impurities | acidity or alkalinity, in accordance |
| residual solvents, complies | |
| ≤0.001% heavy metals (as Pb) | |
| InChI | 1S/2K.H2O4S/c;;1-5(2,3)4/ |
| InChI key | OTYBMLCTZGSZBG-UHFFFAOYSA |
| loss | ≤0.5% loss on drying, 130 °C |
| quality | meets analytical specification of Ph. Eur. |
| Quality Level | 200  |
| SMILES string | [K+].[K+].[O-]S([O-])(=O) |
| solubility | alcohol: insoluble |
| boiling water: soluble 1 gm in 4 ml | |
| glycerol: soluble 1 gm in 75 ml | |
| water: soluble 1 gm in 8.3 ml | |
| suitability | in accordance for appearance of solution |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99-101% |
| UNSPSC | 12352300 |