Sodium metabisulfite ≥97.0-100.0% (by iodometry), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF, E223, SAFC®

Supplier: MilliporeSigma

Corrosive Warning

Irritant Warning

Danger

1.06357.9029 1.06357.5000 1.06357.5000

CA1.06357.9029EA 1385.85 CAD

CA1.06357.9029 CA1.06357.5000 EM1.06357.5000

Sodium metabisulfite ≥97.0-100.0% (by iodometry), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF, E223, SAFC®

Sodium metabisulphite

Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Conforms to the purity criteria on food additives according to the current European Commission Regulation.

Certifications: Conforms to Ph. Eur., BP, JP, NF, E223.

Formula: Na₂S₂O₅
Melting Pt: 150 °C
Density: 1.48 g/cm³ (20 °C)
Storage Temperature: Ambient

MDL Number: MFCD00167602
CAS Number: 7681-57-4
EINECS: 231-673-0
REACH: 01-2119531326-45
Merck Index: 12,08784

https://digitalassets.avantorsciences.com/adaptivemedia/rendition?id=110c9b08e7e977eb8c8a9a97bee16470ca9699c5&vid=004a574d6ed7e27d7cc82336f2179f23453618d0&prid=web&clid=SAPDAM

Specification Test Results

Assay (Iodometric)	97.0 - 100.0%
Assay (Iodometric, SO₂)	65.4 - 67.4%
Identity	Passes Test
Appearance of solution	Passes Test
pH-value (5%; water)	3.5 - 5.0
Chloride (Cl)	≤0.01%
Heavy metals (as Pb)	≤0.001%
Thiosulfate (S₂O₃)	≤0.05%
As (Arsenic)	≤0.0002%
Fe (Iron)	≤0.0005%
Hg (Mercury)	≤0.0001%
Pb (Lead)	≤0.0002%
Se (Selenium)	≤0.0003%
Residual Solvents (Ph. Eur./USP/ICH)	Excluded by the Manufacturing Process

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