Sodium metabisulfite - 13459

Code: 13459
Sodium metabisulfite
Puriss., meets analytical specification of BP, FCC, NF, Ph. Eur., E223, dry, 97-100.5%
Sodium disulfite; Sodium pyrosulfite
meets analytical specification of Ph. Eur., BP, NF, FCC, E223, dry 

CAS Number: 7681-57-4
Linear Formula: Na2S2O5
Molar Mass: 190.11 g/mol
EC Number: 231-673-0
MDL Number: MFCD00167602
Catalog Number Packaging Size Container type Price QTY Cart
13459-500G 500G PLASTIC BOTTLE Contact
13459-25KG 25KG PAPER / PLASTIC BAG Contact
13459-1KG 1KG PLASTIC BOTTLE Contact
13459-6X1KG 6X1KG PLASTIC BOTTLE Contact
13459-4X5KG 4X5KG PLASTIC BOTTLE Contact
13459-5KG 5KG PLASTIC BOTTLE Contact
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Specifications

Property Value
Assay 97.0 - 100.5 %
Assay of Sulfur Dioxide 65.0 - 67.4 %
PH (5 %, 20°C) 3.5 - 5.0
PH (10% solution) 4.0 - 5.0
Arsenic (As) max. 2 ppm
Copper (Cu) max. 0.001 %
Iron (Fe) max. 10 ppm
Mercury (Hg) max. 1 ppm
Lead (Pb) max. 2 ppm
Selenium (Se) max. 5 ppm
Zinc (Zn) max. 0.001 %
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
Freezing point > 150 °C
Density 2.36 g/cm3
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Safety Information

Property Value
GHS Classification Corrosive, Harmful
Signal Word Danger
Hazard Statement(s) H318
H302
Precautionary Statement(s) P280