Potassium Sulfate

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Potassium sulfate
CAS number 7778-80-5 YesY
PubChem 24507
RTECS number TT5900000
Molecular formula K2SO4
Molar mass 174.259 g/mol
Appearance White crystalline solid
Density 2.66 g/cm3 [1]
Melting point

1069 C, 1342 K, 1956 F

Boiling point

1689 C, 1962 K, 3072 F

Solubility in water 11.1 g/100 ml (20 C)
12 g/100 mL (25 C)
24 g/100 mL (100 C)
Solubility slightly soluble in glycerol
insoluble in acetone, alcohol, CS2
Crystal structure orthorhombic
MSDS External MSDS
EU Index Not listed
Main hazards Irritant
Flash point Non-flammable
LD50 6600 mg/kg
Related compounds
Other anions Potassium selenate
Potassium tellurate
Other cations Lithium sulfate
Sodium sulfate
Rubidium sulfate
Caesium sulfate
Related compounds Potassium hydrogen sulfate
Potassium sulfite
Potassium bisulfite
Potassium persulfate
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Except where noted otherwise, data are given for materials in their standard state (at 25 C, 100 kPa)
Infobox references

* Source: Wikipedia

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