File:Arcanite.jpg · Wikimedia Commons · See Wikimedia Commons
potassium sulfate
Sign in to saveAlso known as dipotassium sulfate, potassium sulphate
chemical compound
Chemical data
- Formula
- K2O4S
- Molecular weight
- 174.26 g/mol
- IUPAC name
- dipotassium;sulfate
- SMILES
- [O-]S(=O)(=O)[O-].[K+].[K+]
- InChIKey
- OTYBMLCTZGSZBG-UHFFFAOYSA-L
- Polar surface area
- 88.6 Ų
- H-bond donors
- 0
- H-bond acceptors
- 4
- Formal charge
- 0
via PubChem
Wikidata facts
- Subclass of
- chemical compound
- Has part
- sulfur
- Mass
- 173.879
Show 10 more facts
- Commons category
- Potassium sulfate
- crystal system
- orthorhombic crystal system
- chemical formula
- K₂O₄S
- boiling point
- 1689
- canonical SMILES
- [O-]S(=O)(=O)[O-].[K+].[K+]
- density
- 2.66
- melting point
- 1069
- standard enthalpy of formation
- -1437.7
- different from
- potassium sulfide
- has characteristic
- bitterness
via Wikidata · CC0
~6 min read
Encyclopedic overview
Potassium sulfate (US) or potassium sulphate (UK), also called sulphate of potash (SOP), arcanite, or archaically potash of sulfur, is the inorganic compound with formula K2SO4, a white water-soluble solid. It is commonly used in fertilizers, providing both potassium and sulfur.
History
Excerpted from Wikipedia’s “potassium sulfate” article, available under the CC BY-SA 4.0 licence.