All published prices are subject to confirmation at time of order.

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

Download Safety Data ›

Research Orders

10 KG - $292.60

Bulk Orders

Over
100 KG
$20.48 | KG
500 KG
$18.02 | KG
2500 KG
$16.58 | KG
KG

For quantities outside our pricing schedule - please request a quote.

There is a minimum order requirement of $1,000.00 for products purchased. Any order that is placed below $1,000.00 will be subject to an order processing fee to reach that $1,000.00 minimum order value. Packaging, freight, and/or hazard fees are not included in the $1,000.00 minimum.