Potassium Metabisulfite, Crystal, Reagent

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Potassium Metabisulfite, Crystal, Reagent

Discover the premium quality of our Potassium Metabisulfite, Crystal, Reagent, also referred to as potassium pyrosulfite. This versatile chemical compound serves primarily as a powerful sterilant and antioxidant, ensuring excellence in various applications. Its chemical structure bears resemblance to sodium metabisulfite, categorizing it as a disulfite.

Our reagent-grade Potassium Metabisulfite adheres to the highest quality standards available commercially. Although the American Chemical Society has not defined official specifications for this material, our product meets stringent regulatory benchmarks for both quality and purity, making it an ideal choice for laboratory and industrial use.

Key Features:

Chemical CAS Number: 16731-55-8

Chemical Formula: K₂S₂O₅

Chemical Formula Weight: F.W. 222.33

Assay (Iodometric): Minimum 96.0%

Equivalent SO₂ Value: Approximately 54%

Chemical Specifications:

Maximum Limit - Chloride (Cl)	0.005%
Maximum Limit - Heavy Metals (as Pb)	0.003%
Maximum Limit - Insoluble Matter	0.005%
Maximum Limit - Iron (Fe)	0.0005%

Chemical Storage Information:

This compound is air and heat sensitive. It is imperative to store Potassium Metabisulfite tightly closed in a cool, dry place to maintain its integrity and effectiveness.