Potassium disulphite 97%, extra pure

Supplier: Thermo Scientific
Danger

Synonyms: Dipotassium disulphite, Potassium pyrosulphite, Potassium metabisulphite, di-Potassium disulphite

418270250 418275000 418270025
ACRO418270250EA 40.9 GBP
ACRO418270250 ACRO418275000 ACRO418270025
Potassium disulphite 97%, extra pure
di-Potassium disulphite
Formula: K₂O₅S₂
MW: 222,33 g/mol
Melting Pt: 150 °C (dec.)
Density: 1,2 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00167605
CAS Number: 16731-55-8
EINECS: 240-795-3
Merck Index: 13,07729

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Specification Test Results

Appearance White to light yellow Crystalline powder
Titration Iodimetric ≥96.0 %
Arsenic (As) ≤1 ppm
Iron (Fe) ≤5 ppm
Selenium (Se) ≤1 ppm
Heavy metals (as Pb) ≤10 ppm

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