Sodium sulphite, anhydrous ≥98.0% (by iodometry), powder, BAKER ANALYZED® ACS, J.T.Baker®

Supplier: Avantor

3922-01EA 94.5 CHF
3922-01 3922-07 3922-05
Sodium sulphite, anhydrous ≥98.0% (by iodometry), powder, BAKER ANALYZED® ACS, J.T.Baker®
Sodium sulphite
Formula: Na₂SO₃
MW: 126.04 g/mol
Melting Pt: > 500 °C
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: 12,08831

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Specification Test Results

Meets ACS Reagent Chemical Requirements
For Laboratory,Research,or Manufacturing Use
Assay (Na₂SO₃) (by iodometry) ≥98.0 %
Insoluble Matter ≤0.005 %
Free Acid Passes Test
Titrable Free Base (meq/g) ≤0.03
Chloride (Cl) ≤0.02 %
Heavy Metals (as Pb) ≤0.001 %
Trace Impurities - Iron (Fe) ≤0.001 %
Meets Reagent Specifications for testing USP/NF monographs

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