Sodium sulphite, anhydrous 98+% ACS
Supplier: Thermo Fisher Scientific
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 (dec.)
Density:2.63 g/cm³
Storage Temperature:Ambient
EINECS:231-821-4
REACH:01-2119537420-49
Specification Test Results
- Appearance:White Crystalline powder
- Titration Iodimetric:≥98.0 %
- Free acid:Passes test
- Chloride (Cl):≤200 ppm
- Iron (Fe):≤10 ppm
- Heavy metals (as Pb):≤10 ppm
- Titrable free base:≤0.03 meq/g
- Insoluble matter:≤0.005 %