Potassium disulphite ≥96.0%, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals
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Synonyms: Potassium pyrosulphiteDipotassium disulphitePotassium metabisulphitedi-Potassium disulphite

VWRC26805.291EA 53.2 SGD
VWRC26805.291
Potassium disulphite ≥96.0%, AnalaR NORMAPUR® analytical reagent
di-Potassium disulphite
Formula: K₂O₅S₂
MW: 222,33 g/mol
Melting Pt: 190 °C
Density: 1,2 g/cm³ (20 °C)
MDL Number: MFCD00167605
CAS Number: 16731-55-8
EINECS: 240-795-3
Merck Index: 12,07811

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Specification Test Results

Assay Min. 96.0 %
Heavy metals (as Pb) Max. 10 ppm
Insolubility in water Max. 50 ppm
Cl (Chloride) Max. 50 ppm
As (Arsenic) Max. 1 ppm
Cu (Copper) Max. 10 ppm
Fe (Iron) Max. 5 ppm
Zn (Zinc) Max. 10 ppm

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