Potassium disulfite, EMSURE® for analysis, Supelco®

Supplier: MilliporeSigma
Danger

Synonyms: di-Potassium disulfitePotassium pyrosulphitePotassium metabisulfitePotassium pyrosulfiteDipotassium disulphitePotassium metabisulphitedi-Potassium disulphiteDipotassium disulfite

1.05057.1000 1.05057.2500 1.05057.2500 1.05057.1000 1.05057.0500 1.05057.0500
EM1.05057.1000CS 773 USD
EM1.05057.1000 CA1.05057.0500 CA1.05057.2500 CA1.05057.1000 EM1.05057.0500 EM1.05057.2500
Potassium disulfite, EMSURE® for analysis, Supelco®
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

Solubility 450 g/l (20 °C)
Melting Point 150 °C (decomposition)
Molar Mass 222.33 g/mol
Bulk Density 1000 - 1300 kg/m3
Density 2.34 g/cm3
pH 3.0 - 4.5 (50 g/l, H2O, 20 °C)

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