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Sodium sulfite

Sodium sulfite chemical structure
CAS Number7757-83-7
FormulaNa2SO3
Mol. Weight126.04 g/mol

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

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