Potassium sulfate - 31270
Code: 31270
Potassium sulfate
Puriss. p.a., ACS Reagent, Reag. ISO, ≥99%
ACS Reagent, Reag. ISO
CAS Number: 7778-80-5
Linear Formula: K2SO4
Molar Mass: 174.26 g/mol
EC Number: 231-915-5
MDL Number: MFCD00011388
| Property |
Value |
| Assay |
min. 99.0 % |
| Water insoluble matter |
max. 0.005 % |
| PH (5 %, 25 °C) |
5.5 - 8.0 |
| Arsenic (As) |
max. 0.0001 % |
| Calcium (Ca) |
max. 0.005 % |
| Cadmium (Cd) |
max. 0.0005 % |
| Copper (Cu) |
max. 0.0005 % |
| Iron (Fe) |
max. 5 ppm |
| Magnesium (Mg) |
max. 0.002 % |
| Sodium (Na) |
max. 0.005 % |
| Lead (Pb) |
max. 0.0005 % |
| Zinc (Zn) |
max. 0.0005 % |
| Heavy metals (as Pb) |
max. 5 ppm |
| Chloride (Cl) |
max. 0.0005 % |
| Total N |
max. 5 ppm |
| Phosphate (PO4) |
max. 0.001 % |
| Property |
Value |
| Boiling point |
1,698 °C |
| Freezing point |
1,067 °C |
| Density |
2.66 g/cm3 |