Potassium sulfate
CAS 7778-80-5K2O4S174.26 g/mol
Potassium sulfate is an inorganic potassium salt and a potassium salt.
IUPAC: dipotassium;sulfate
PubChem
Physical & Chemical Properties
| Melting Point | 1067 °C |
| Boiling Point | 1689 °C |
| Density | 2.66 |
| Solubility | Freely soluble in water, insoluble in ethanol |
| pH | Between 5,5 and 8,5 (5 % solution) |
| Appearance | Other Solid; Liquid; Dry Powder; Pellets or Large Crystals; NKRA |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 3104
Data: UN Comtrade
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