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Inorganic & other salts

Potassium Sulfate, Lab Grade

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Article code
POSUATGL
CAS
7778-80-5
Grade
Lab Grade
Purity
99.0-100.5%
Category
Inorganic & other salts

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Properties

Article / SKU
POSUATGL
CAS
7778-80-5
Assay
99.0-100.5%
Grade
Lab Grade
Color
White
Physical form
Solid
Appearance
White
Odor
Odorless
pH
~ 6-8 5% aq.sol.(20 C)
Melting point
1067 °C / 1952.6 °F
Boiling Point
1689 °C / 3072.2 °F @ 760 mmHg
Solubility
Partially soluble
Molecular formula
K 2 SO 4
Molecular weight
174.26
Autoship Available
Yes
Insoluble matter
<=0.2%
Iron (Fe)
<=5 ppm
Lead (Pb)
2 mg/kg
Pillar
Essential
Selenium (Se)
5 mg/kg

Packaging options — size and article

SizeArticle / SKU
12.5kgPOSUATGL-12.5KG
2.5kgPOSUATGL-2.5KG
500gPOSUATGL-500G
50lbPOSUATGL-50LB
1kgPOSUATGL-1KG
1lbPOSUATGL-1LB
25kgPOSUATGL-25KG

Packaging options

  • 12.5kg
  • 2.5kg
  • 500g
  • 50lb
  • 1kg
  • 1lb
  • 25kg

Details

Potassium Sulfate, Lab Grade

Potassium Sulfate, also known as Sulfate of Potash, Dipotassium sulfate, and Potassium Sulfate (2:1), appears colorless or white crystals/crystalline powder having bitter saline taste and is Water- soluble at ambient conditions. When heated to decomposition, it emits toxic fumes of Sulfur Oxides. Lab grade chemicals possess reasonable purity but do not comply with any official standard for quality or purity like the ACS Grade, the USP Grade, or the FCC Grade. The Lab Grade is also known as Laboratory Reagent (LR) and Chemically Pure (CP). Potassium Sulfate, Lab Grade is recommended for educational institutes, research labs, and commercial applications.

Potassium Sulfate, also known as Sulfate of Potash, Dipotassium sulfate, and Potassium Sulfate (2:1), appears colorless or white crystals/crystalline powder having bitter saline taste and is Water- soluble at ambient conditions. When heated to decomposition, it emits toxic fumes of Sulfur Oxides.

Lab grade chemicals possess reasonable purity but do not comply with any official standard for quality or purity like the ACS Grade, the USP Grade, or the FCC Grade. The Lab Grade is also known as Laboratory Reagent (LR) and Chemically Pure (CP). Potassium Sulfate, Lab Grade is recommended for educational institutes, research labs, and commercial applications.

Common Uses and Applications

Fertilizer: Potassium sulfate is a significant source of potassium, an essential nutrient for plant growth. It is commonly used in agriculture as a fertilizer to enhance crop yields and improve the quality of fruits, vegetables, and other crops. It is particularly favored in crops where chloride-sensitive crops, such as tobacco, grapes, and certain fruits, are grown.

Industrial Applications: Potassium sulfate is utilized in various industrial processes, such as the production of glass, ceramics, and glazes. It can act as a flux, helping to lower the melting point of materials and improve their flow properties during manufacturing.

Chemical Manufacturing: Potassium sulfate serves as a raw material in the manufacturing of various chemicals, including potassium carbonate, potassium hydroxide, and potassium alum. These chemicals are used in industries such as soap production, detergent manufacturing, and water treatment.

Laboratory Reagent: In laboratory settings, potassium sulfate is used as a reagent in chemical reactions and analytical procedures. It may be employed in precipitation reactions, as a source of potassium ions, or as a component of buffer solutions.

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