Tetrapotassium Pyrophosphate (TKPP)
Chemical Formula: K4P2O7
CAS No. :7320-34-5
Quality Specifications
TKPP Content (K4P2O7)
95.0 % min
P2O5 Content
42.0 - 43.7 %
Water Insoluble Matters
0.20 % max
Loss of Weight (550°C)
2.0 % max
pH 1% Solution
10.0 - 10.8
Fluoride (F)
10.0 ppm max
Arsenic (As)
1.0 ppm max
Heavy Metal (Pb)
1.0 ppm max
Cadmium (Cd)
1.0 ppm max
Mercury (Hg)
1.0 ppm max
Physical Properties
Appearance
White, powdery substance
Odor
Odorless
Molecular Weight
330.31 g.mol-1
Bulk Density
0.45 - 0.70 g/cm3
Packaging
25 kg (55 lbs) PP bags, 40 bags per pallet
1,000 kg (2,205 lbs) supersacks
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