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tetra-POTASSIUM PYROPHOSPHATE Extra Pure
Potassium diphosphate tetrabasic;Tetrapotassium diphosphate; Potassium pyrophosphate
MSDS
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Packings
500 g
(00500)
25 Kg
(0025K)
50 Kg
(0050K)
Print friendly version
Article No.
05437
Grade
Extra Pure
Purity
95%
CAS No.
7320-34-5
Molecular Formula
K
4
P
2
O
7
Molecular Weight
330.34
H.S. Code
2835.3900
Shelf Life
60 Months
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
10
Melting point/ Freezing point [°C]
1090°C
Density [g/cm3]
2.33
Solubility in water [% weight]
Soluble in water
Specifications
Appearance
White crystalline powder
Assay (by HClO4 titration)
Min 95%
pH (1% solution in water)
10.0 - 10.7
Heavy metal (as Pb)
Max 0.001%
Iron (Fe)
Max 0.005%
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319
Precaution Statement: P305 + P351 + P338
Revision Date:
30-Apr-2021
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tetra-POTASSIUM PYROPHOSPHATE