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China, Chinese Preservatives and Antioxidants Potassium Metabisulfite for Food Bleaching Agent CAS 16731-55-81 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Inorganic SaltSulfatePotassium Metabisulfite16731-55-8
Jinan Future Chemical Co., Ltd.
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Product Description Product DescriptionPOTASSIUM METABISULFITE for food bleaching agent cas 16731-55-8POTASSIUM METABISULFITE Basic information Product Name:POTASSIUM METABISULFITECAS:16731-55-8MF:K2O5S2MW:222.32EINECS:240-795-3POTASSIUM METABISULFITE Chemical Properties Melting point 190°Cdensity 2.34 g/cm3vapor density 2.3 (vs air)storage temp. Store at +5°C to +30°C.solubility H2O: 0.1 M at 20 °C, clear, colorlessform Powder/SolidSpecific Gravity2.3color White to slightly yellowOdorOdorlessPH2.5-4.5 (25oC, 0.1M in H2O)PH Range3-4.5 at 22.2 g/l at 25 °CWater Solubility Soluble in water. Insoluble in ethanol.λmax267nm(H2O)(lit.)Sensitive Air SensitiveDecomposition 150°CMerck 147,645EPA Substance Registry SystemDisulfurous acid, potassium salt (1:2) (16731-55-8)Test itemUnitSpecificationK2S2O5g/100g≥97.2SO2g/100g≥56.0K2S2O3g/100g0.1MaxNag/100g2MaxClg/kg0.5MaxpH-value(10%solution)-3.8-4.8heavy metal(measured by Pb)mg/kg10MaxAsmg/kg1MaxCumg/kg1 MaxFemg/kg5MaxHgmg/kg0.1 MaxPbmg/kg1 MaxSemg/kg1 MaxZnmg/kg1 MaxProduct Categories Packaging & Shipping Company Profile Contact us
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