Potassium Metabisulfite

Post Date:
Oct 31,2017
Expiry Date:
Oct 31,2018
Detailed Description:
Cas No. :16731-55082 Quantity: 500Metric Tons
Specs:99%
Price:5.0 USD Kilograms
Payment Method: LC or TT
Potassium Metabisulfite

molecular formula: K2S2O5=222.326
molecular weight: 222.33
CAS Number: 16731-55-8

Product characteristics: The Product was colorless crystal or white crystalline powder with the relative density of 2.34 .The melting point was 150-190oC(decomposition). The product had a flavor of sulfur dioxide and soluble in water with acidic aqueous solution, it was not soluble in ethanol. Sulfur dioxide was released from acidic solution and oxidized to sulfate in the air.

Product usage
the product was used for the preparation of photographic developing solution, which was also used as food bleaching agents, preservatives, antioxidants .In addition, it could be used to retain freshness of wine, fruit juice, beer clarifying agent, fruits and vegetables, meat , grapes, as well as the non-cyanide silver plating.

Product package:
25 kg per bag, composite bag lined with plastic bag, or by user's request.
CAS Registry Number:
16731-55082
Synonyms:
;Disulfurous acid,potassium salt (1:2);dipotassium oxidosulfanesulfonate oxide;sulfanesulfonic acid, hydroxy-, oxide, monopotassium salt;
Molecular Formula:
H₂KO₅S₂
Molecular Weight:
185.2412
Molecular Structure:

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