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  7. Sodium metabisulfite, SO{2} 58.5% min

Sodium metabisulfite, SO{2} 58.5% min

Product Code. 11347698
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Product Code. 11347698 Supplier Thermo Scientific Alfa Aesar Supplier No. 033375.36
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Description

CAS: 7681-57-4 | Na2O5S2 | 190.09 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 7681-57-4
Molecular Formula Na2O5S2
Molecular Weight (g/mol) 190.09
MDL Number MFCD00167602
InChI Key LDTLADDKFLAYJA-UHFFFAOYSA-L
Synonym sodium metabisulfite, sodium pyrosulfite, sodium disulfite, disodium pyrosulfite, sodium metabisulphite, disodium disulfite, disodium disulphite, fertisilo, disodium metabisulfite, natrii disulfis
PubChem CID 656671
IUPAC Name disodium (sulfinatooxy)sulfinate
SMILES [Na+].[Na+].[O-]S(=O)OS([O-])=O

Specifications

Melting Point >300°C
Color White to Yellow
pH 3.5 to 5.0
Physical Form Granules
Quantity 500 g
Merck Index 14,8638
Solubility Information Freely soluble in water, glycerol; Slightly soluble in alcohol
Formula Weight 190.1
Concentration or Composition (by Analyte or Components) SO2 58.5% min.
Odor Like rotten eggs
Sensitivity Air and moisture sensitive
Density 1.480 g/mL
Chemical Name or Material Sodium metabisulfite
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