Sodium metabisulfite for analysis

Supplier: Thermo Scientific Chemicals
Danger

Synonyms: Disodium disulphite, di-Sodium disulphite, Sodium pyrosulphite, Disodiumdisulphite, Sodium disulphite

AC22307-0010 AC22307-0025 AC22307-5000
TS22307-0010EA 118 USD
TS22307-0010 TS22307-0025 TS22307-5000
Sodium metabisulfite for analysis
Sodium metabisulphite
Formula: Na₂S₂O₅
MW: 190.11 g/mol
Melting Pt: 150 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00167602
CAS Number: 7681-57-4
EINECS: 231-548-0
Merck Index: 12,08731
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Specification Test Results

Appearance White Crystalline powder
Titration Iodimetric ≥58.5 % (SO2)
Arsenic (As) ≤1 ppm
Iron (Fe) ≤20 ppm
Heavy metals (as Pb) ≤10 ppm
Insoluble matter ≤0.005 %

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