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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. Buy Potassium Sulphate CAS-7778-80-5
History of Potassium Sulphate CAS-7778-80-5

Potassium sulfate (K2SO4) has been known since early in the 14th century. It was studied by Glauber, Boyle, and Tachenius. In the 17th century, it was named arcanuni or sal duplicatum, as it was a combination of an acid salt with an alkaline salt. It was also known as vitriolic tartar and Glaser’s salt or sal polychrestum Glaseri after the pharmaceutical chemist Christopher Glaser who prepared it and used medicinally. Buy Potassium Sulphate CAS-7778-80-5

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Known as arcanum duplicatum (“double secret”) or panacea duplicata in pre-modern medicine, it was prepared from the residue (caput mortuum) left over from the production of aqua fortis (nitric acid, HNO3) from nitre (potassium nitrate, KNO3) and oil of vitriol (sulphuric acid, H2SO4) via Glauber’s process:2 KNO3 + H2SO4 → 2 HNO3 + K2SO4 Buy Potassium Sulphate CAS-7778-80-5

The residue was dissolved in hot water, filtered, and evaporated to a cuticle. It was then left to crystallise. It was used as a diuretic and sudorific. Buy Potassium Sulphate CAS-7778-80-5
According to Chambers’s Cyclopedia, the recipe was purchased for five hundred thalers by Charles Frederick, Duke of Holstein-Gottorp. Schroder, the duke’s physician, wrote wonders of its great uses in hypochondriacal cases, continued and intermitting fevers, stone, scurvy, and more. Buy Potassium Sulphate CAS-7778-80-5
Natural resources Potassium Sulphate CAS-7778-80-5
The mineral form of potassium sulfate, arcanite, is relatively rare. Natural resources of potassium sulfate are minerals abundant in the Stassfurt salt. These are cocrystallizations of potassium sulfate and sulfates of magnesium, calcium, and sodium. Buy Potassium Sulphate CAS-7778-80-5

Quick Details Potassium Sulphate CAS-7778-80-5 for export

Classification: Pharmaceutical Intermediates
Cas NO.: 7778-80-5
Name: Potassium sulfate
Molecular Formula: K2O4S
Melting Point: 1067℃
Boiling Point: 1689℃
Refractive index: INDEX OF REFRACTION: 1.494, 1.495, 1.497
Flash Point: 1689 °C
Purity: 99%%min
usage: In the raw material
EINECS: 231-915-5
Aliase: dipotassium; sulfate
Purity: 99%%min
Appearance: White crystal powder
Packaging & Delivery
Packaging Detail: Foil bag,drug and bottle
Delivery Detail: 1)Shipped within 3 days after payment 2)By sea or by air
Physicochemical property
The density of 1.3 g/cm3
Boiling point 677.7 C at 760 mmHg
Molecular formula C28H28N3O6PS
The molecular weight of 565.57700
Flash point 363.7 DHS C
Accurate mass 565.14400
PSA 160.38000
LogP 6.74360
Vapor pressure 3.16E-18mmHg at 25°C

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