Sodium bisulphite, powder ACS

Supplier: Thermo Scientific
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Synonyms: Sodium hydrogen sulphite

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Sodium bisulphite, powder ACS
Sodium hydrogen sulphite
Formula: HNaO₃S
MW: 104,06 g/mol
Melting Pt: 150 °C (dec.)
Density: 1,48 g/cm³
Storage Temperature: Ambient
MDL Number: MFCD00167602
CAS Number: 7631-90-5
EINECS: 231-548-0
ADR: 8,III
Merck Index: 12,08731

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Specification Test Results

Appearance White Crystalline powder
Titration Iodimetric ≥58.5 % (SO2)
Chloride (Cl) ≤200 ppm
Iron (Fe) ≤20 ppm
Heavy metals (as Pb) ≤10 ppm
Insoluble matter ≤0.005 %

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