Packings
05346
Article No. 05346
Purity 99%
Molecular Formula C6H5K3O7.H2O
H.S. Code 2918.1510
Grade Extra Pure
CAS No. 6100-05-6
Molecular Weight 324.41
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 8 - 9.5
Melting point/ Freezing point [°C] 275 °C Density [g/cm3] 1.98
Solubility in water [% weight] Soluble in water Partition coefficient Log Pow octanol / water at 20°C -0.28

Specifications

Appearance White crystalline powder Assay (by HClO4 titration; on dried basis) 99.0 - 100.5%
Appearance of solution Passes test Insoluble matter in water Max 0.025%
Acidity or alkalinity Passes test Chloride (Cl) Max 0.005%
Oxalate (as C2H2O4) Max 0.03% Sulphate (SO4) Max 0.01%
Heavy metal (as Pb) Max 0.001% Arsenic (As) Max 0.0002%
Sodium (Na) Max 0.3% Readily carbonisable substance Passes test
Water 4.0 - 7.0%