POTASSIUM PYROSULPHATE Extra Pure

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC1761 Extra Pure 97% 7790-62-7 K2S2O7 254.33 2833.2990 60 Months

Packings

500 g

Physical Properties

Physical state at 20 °C Solid
Colour Off white flakes
Odour Odorless
pH value 1 - 2 at 25.5 g/l at 25 °C
Melting point/ Freezing point [°C] 325 °C
Density [g/cm3] 2.28
Solubility in water [% weight] 25.4 g/l at 20 °C

Specifications

Appearance Off-white flakes/crystals
Assay (acidimetric) Min 97%
Chloride (Cl) Max 0.003%
Iron (Fe) Max 0.002%
Lead (Pb) Max 0.001%

Safety Information and Hazard Symbols

Corrosion
Symbol GHS05
Signal Word Danger
UN No. 3260
IMCO Class No. 8
Packing Group II
Hazardous Statement H314
Precaution Statement P280-P305 + P351 + P338-P310
Risk Statement
Safety Statement
Revision Date : 13-Dec-2013