Sodium metabisulfite - 31448

Code: 31448
Sodium metabisulfite
Puriss. p.a., ACS Reagent, Reag. Ph. Eur., dry, 98-100.5%
Sodium disulfite; Sodium pyrosulfite
98-100.5%, ACS Reagent, Reag. Ph. Eur., 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
31448-500G 500G PLASTIC BOTTLE Contact
31448-1KG 1KG PLASTIC BOTTLE Contact
31448-2.5KG 2.5KG PLASTIC BOTTLE Contact
31448-5KG 5KG PLASTIC BOTTLE Contact
31448-50KG 50KG PLASTIC BOTTLE Contact
31448-6X2.5KG 6X2.5KG PLASTIC BOTTLE Contact
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Specifications

Property Value
Assay 98.0 - 100.5 %
PH (5 %, 20°C) 3.5 - 5.0
Arsenic (As) max. 0.5 ppm
Calcium (Ca) max. 0.005 %
Cadmium (Cd) max. 0.005 %
Cobalt (Co) max. 0.005 %
Copper (Cu) max. 0.0005 %
Iron (Fe) max. 5 ppm
Potassium (K) max. 0.01 %
Nickel (Ni) max. 0.005 %
Lead (Pb) max. 0.0005 %
Zinc (Zn) max. 0.001 %
Heavy metals (as Pb) max. 10 ppm
Chloride (Cl) max. 0.005 %
Thiosulfate (S2O3) max. 0.01 %
Water insoluble matter max. 0.005 %
Appearance of the solution 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