Sodium sulphite, anhydrous ≥98.0% (by iodometry), powder, BAKER ANALYZED® ACS, J.T.Baker®
Supplier: Avantor
Certificates
About this item
CAS Number:7757-83-7
:
Formula:Na₂SO₃
MDL Number:MFCD00003503
:126.04 g/mol
Merck Index:13,08757
Melting Pt:> 500 °C
Density:2.63 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:231-821-4
REACH:01-2119537420-49
Specification Test Results
- For Laboratory,Research,or Manufacturing Use:= 98.0 %
- 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 %
Specification Test Results
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