Keywords

• 16731-55-8
• POTASSIUM METABISULFITE
• POTASSIUM M-BISULFITE

Quick Details

• ProName: POTASSIUM METABISULFITE 16731-55-8
• CasNo: 16731-55-8
• Molecular Formula: K2O5S2
• Appearance: White to slightly yellowish fine cryst...
• Application: food additives
• DeliveryTime: 1 week
• PackAge: 25kg per bag
• Port: qingdao/shanghai
• ProductionCapacity: 100 Metric Ton/Year
• Purity: 97%
• Storage: dry and cool place avoid fire and heat
• Transportation: by sea air truck
• LimitNum: 1 Metric Ton
• Residue on Ignition: 20ppm
• Heavy Metal Content: 10ppm
• Valid Period: 2 years
• cas: 16731-55-8

Superiority

CAS:  16731-55-8

MF:  K2O5S2

MW:  222.32

EINECS:  240-795-3

Details

Appearance                   colorless crystal or white powder

Assay                           over 97.2%

pH 10%                         solution 3.8-4.8

Heavy metal mg/kg         less 10%

SO2 assay g/100g          over 56.0

K2S2O2 assay g/100g     less 0.1 

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