Potassium disulfite - 12619

Code: 12619
Potassium disulfite
Puriss., meets analytical specification of Ph.Eur., BP, NF, FCC, E224, 95.0-101.0% (iodometric), powder, 51.8-57.6% sulfur dioxide
Potassium metabisulfite; Potassium pyrosulfite
95.0-101.0%, meets analytical specification of Ph.Eur., BP, NF, FCC, E224, powder, 95.0-101.0% (iodometric) 

CAS Number: 16731-55-8
Linear Formula: K2S2O5
Molar Mass: 222.32 g/mol
EC Number: 240-795-3
MDL Number: MFCD00167605
Catalog Number Packaging Size Container type Price QTY Cart
12619-50KG 50KG FIBERBOARD BOX Contact
12619-6X1KG 6X1KG PLASTIC BOTTLE Contact
12619-1KG 1KG PLASTIC BOTTLE Contact
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Specifications

Property Value
Assay (Iodometric) 95.0 - 101.0 %
Assay of Sulfur Dioxide 51.8 - 57.6 %
PH (5 %, 20°C) 3.5 - 4.5
Arsenic (As) max. 2 ppm
Copper (Cu) max. 0.002 %
Iron (Fe) max. 5 ppm
Mercury (Hg) max. 1 ppm
Lead (Pb) max. 2 ppm
Selenium (Se) max. 2.5 ppm
Zinc (Zn) max. 20 ppm
Heavy metals (as Pb) max. 10 ppm
Chloride (Cl) max. 0.01 %
Thiosulfate (S2O3) complying
Appearance of the solution complying
Residual solvents complying
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Physical Properties

Property Value
Form powder
Density 2.3 g/cm3
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Safety Information

Property Value
GHS Classification Corrosive
Signal Word Danger
Hazard Statement(s) H318
Precautionary Statement(s) P280