Potassium disulphite, EMSURE® for analysis, Supelco®
Supplier: Merck
Certificates
About this item
Synonyms: Dipotassium disulphite, Potassium pyrosulphite, Potassium metabisulphite, di-Potassium disulphite
CAS Number:16731-55-8
:
Formula:K₂O₅S₂
MDL Number:MFCD00167605
Density:1.2 g/cm³ (20 °C)
Molecular Weight:222.33 g/mol
Melting Pt:190
Merck Index:13,07729
:M-Clarity™ quality level = MQ300
EINECS:240-795-3
:GHS05
:GHS07
Specifications
- Environmentally Preferable:
Specifications
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)
Specification Test Results
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