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Potassium Sulphate CAS 7778-80-5 kaliumsulphuricum 

Payment Terms: T/T,L/C,WU 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Land,Air
Packing: According to the request of...
Brand Name: MOSINTER
Melting point: 1067°C
Density: 2.66
Soluble: 110 g/L (20 ºC)
Solubility: H2O: 0.5 M at 20 °C, clear,...
Production Capacity: 10000 Ton/Year
Delivery Date: within 7 days
CAS No.: 7778-80-5
Boiling point: 1689°C
Storage condition: Store at RT.
Flashing point: 1689°C
Stability: Stable.

The anhydrous crystals form a double six-sided pyramid, but are in fact classified as rhombic.

Potassium Sulphate (CAS: 7778-80-5)


Item

Index

Appearance

Colorless or white hexagonal or  rhombic crystal or granular powder

 Relative   density

2.662

 Inversion   point

588°C

Melting point

1069°C

Boiling point

1689°C

Potassium sulfate (K2SO4) (in British English potassium sulphate, also called sulphate of potash, arcanite, or archaically known as potash of sulfur) is a non-flammable white crystalline salt which is soluble in water. Thechemical is commonly used in fertilizers, providing both potassium and sulfur.

Manufacture

The process for manufacturing potassium sulfate is similar to that used for the manufacture of sodium sulfate.

Potassium sulfate can be synthesised by reaction of potassium chloride with sulfuric acid according to the Leblancprocess. Potassium sulfate is produced according to the following reaction:

2 KCl + H2SO4 → 2 HCl + K2SO4

The Hargreaves process uses sulfur dioxide, oxygen and water and potassium chloride as the starting materials to produce potassium sulfate. Hydrochloric acid evaporates off. SO2 is produced through the burning of sulfur.

Properties

The anhydrous crystals form a double six-sided pyramid, but are in fact classified as rhombic. They are transparent, very hard and have a bitter, salty taste. The salt is soluble in water, but insoluble in solutions of potassium hydroxide (sp. gr. 1.35), or in absolute ethanol. It melts at 1,067 °C (1,953 °F).

Uses

The principal use of potassium sulfate is as a fertilizer. K2SO4 does not contain chloride, which can be harmful to some crops. Potassium sulfate is preferred for these crops, which include tobacco and some fruits and vegetables. Crops that are less sensitive may still require potassium sulfate for optimal growth if the soil accumulates chloride from irrigation water.

The crude salt is also used occasionally in the manufacture of glass. Potassium sulfate is also used as a flash reducer in artillery propellant charges. It reduces muzzle flash, flareback and blast overpressure.

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Company Info

MOSINTER GROUP LIMITED [China (Mainland)]

Offline Showroom in USA

Business Type:Manufacturer, Trading Company
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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