POTASSIUM PYROSULPHATE LR

POTASSIUM PYROSULPHATE LR
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
P0170700500 LR 7790-62-7 K2S2O7 254.33 2833.2990
60 Months

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

Viscosity at 40°C [mm2/s]

25.4 g/l at 20 °C

Specifications

Appearance:

 Off-white flakes/crystals

Chloride (Cl):

 Max 0.003%

Lead (Pb):

 Max 0.001%

Iron (Fe):

 Max 0.002%

Assay (acidimetric):

 Min 97%

Safety Information and Hazard Symbols

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
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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