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90138

POTASSIUM METABISULFITE, Reagent, crystal, (Potassium Pyrosulfite), K₂S₂O₅

CAS[16731-55-8]
IRRITANT, HYGROSCOPIC

Potassium metabisulfite appears as a white granular or powdery solid with a sharp odor of sulfur dioxide. Decomposes at 150 to 190°C. Density 2.3 g / cm3. Contact severely irritates skin, eyes, and mucous membranes. Low toxicity. Used as a food preservative and an antioxidant.

Synonyms

POTASSIUM METABISULFITE
Potassium disulfite
Potassium pyrosulfite
16731-55-8
Dipotassium disulfite
Dipotassium pyrosulfite
Dipotassium disulphite
Dipotassium metabisulfite

Molecular Weight

222.33

Solubility

Freely soluble in water; insoluble in alcohol

Melting Point

Decomposes at approximately 150 °C

Density

2.3 g/cu cm

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100 KG

$20.48 | KG

500 KG

$18.02 | KG

2500 KG

$16.58 | KG

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90138

POTASSIUM METABISULFITE, Reagent, crystal, (Potassium Pyrosulfite), K2S2O5

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POTASSIUM METABISULFITE, Reagent, crystal, (Potassium Pyrosulfite), K₂S₂O₅