Zinc (II) dipotassium sulfate is an inorganic compound, a complex potassium and zinc sulfate with the formula K 2 Zn (SO 4 ) 2 , colorless crystals, it dissolves in water, forms crystalline hydrates .
| Zinc sulphate | |
|---|---|
| Are common | |
| Systematic name | Zinc (II) Dipotassium Sulphate |
| Traditional names | Zinc sulfate, potassium |
| Chem. formula | K 2 Zn (SO 4 ) 2 |
| Physical properties | |
| condition | colorless crystals |
| Molar mass | 335.71 g / mol |
| Density | 2.9 g / cm³ |
| Classification | |
| Reg. CAS number | 13932-17-7 |
| PubChem | |
| Reg. EINECS number | 237-703-9 |
| Smiles | |
| Inchi | |
| ChemSpider | |
Getting
- The reaction of zinc oxide and molten potassium pyrosulfate :
Physical Properties
Anhydrous zinc (II) sulfate-dipotassium forms colorless crystals of monoclinic syngony , space group P 2 1 / c , cell parameters a = 0.53582 nm , b = 0.87653 nm , c = 1.6153 nm , β = 91.78 ° , Z = 4 .
It is soluble in water.
Crystal hydrates of the composition K 2 Zn (SO 4 ) 2 · 6H 2 O form monoclinic syngony crystals, space group P 2 1 / a , cell parameters a = 0.9034 nm , b = 1.2184 nm , c = 0.6148 nm , β = 104.79 ° , Z = 4 . This crystalline hydrate belongs to the group of Tutton salts (Shenites).
Literature
- Chemical Encyclopedia / Editorial: Zefirov N.S. et al. - M .: Big Russian Encyclopedia, 1998. - V. 5. - 783 p. - ISBN 5-85270-310-9 .
- CRC Handbook of Chemistry and Physics . - 89th Edition. - Taylor and Francis Group, LLC, 2008-2009.