Sodium sulfite 95.0-100.5% (by iodometry), EMPROVE® ESSENTIAL Ph. Eur., BP, NF, E221, SAFC®

Supplier: MilliporeSigma

1.06652.9029 1.06652.1000

CA1.06652.1000CS 1689.12 CAD

CA1.06652.1000 EM1.06652.9029

Sodium sulfite 95.0-100.5% (by iodometry), EMPROVE® ESSENTIAL Ph. Eur., BP, NF, E221, SAFC®

Sodium sulphite

Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1 to 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.

Formula: Na₂SO₃
MW: 126.04 g/mol
Melting Pt: >500 °C (dec.)
Density: 2.63 g/cm³ (20 °C)
Storage Temperature: Ambient

MDL Number: MFCD00003503
CAS Number: 7757-83-7
EINECS: 231-821-4
REACH: 01-2119537420-49
Merck Index: 13,08757

Specification Test Results

Assay (Iodometric)	95.0 - 100.5%
Assay (SO₂)	≥48.0%
Identity	Passes Test
Appearance of Solution	Passes Test
Thiosulfate (S₂O₃)	≤0.05%
Heavy Metals (as Pb)	≤0.0005%
As (Arsenic)	≤0.0002%
Hg (Mercury)	≤0.0001%
Fe (Iron)	≤0.0005%
Pb (Lead)	≤0.0002%
Se (Selenium)	≤0.00025%
Zn (Zinc)	≤0.0025%
Residual solvents (Ph. Eur./USP/ICH)	Excluded by the Manufacturing Process
Conforms to Ph Eur, BP, NF, E221

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