Sodium sulfite

CAS Number7757-83-7
FormulaNa2SO3
Mol. Weight126.04 g/mol
Sodium sulfite
What is Sodium sulfite?
Sodium sulfite is a chemical compound with CAS number 7757-83-7 and molecular formula Na2SO3. It is used in various industrial and research applications.
Specifications
Linear Formula
Na2SO3
Molecular Weight
126.04 g/mol
Grade
JIS special grade
Assay/Purity
95.0-100.0% (iodometric)
Impurities
residual solvents, complies
≤0.001% heavy metals (as Pb)
≤0.05% thiosulfate (S2O3)
Solubility
H2O: soluble1 M at 20 °C, clear, colorless
