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MIDPOINT Chemical Company,INC.
 
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MIDPOINT Chemical Company,INC.
[USA]
Address:
Timber View Oak Brook IL 60523 USA
Phone:
1-630-7580400
Contact name:
Mike Halawa , General Manager
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MIDPOINT Chemical Company,INC.
 
Phosphate Series
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Phosphate Series
Specification/Packaging

Phosphorous Acid Zinc Phosphide
Formula H3PO3
H.S. Number
Appearance White crystal powder
Purity (H3PO3) 98% min
Iron (Fe) 0.005% max
Phosphate (PO4) 0.3% max
Sulphate (SO4) 0.01% max
Chloride (Cl) 0.05% max
Packing In P.P. woven bags of 25kg net each lined
with P.P. film.
Formula Zn3P2
H.S. Number
Purity (Zn3P2) 80% min or 90% min at request
Packing In galvanized iron drums of 25kg net each

Sodium Tripolyphosphate
Formula Na5P3O10
H.S. Number
Technical Grade Food Grade
Purity (Na5P3O10) 94% min 95% min
P2O5 57% min 57% min
Fluoride (F) 0.003% max
Arsenic (As) 0.0003% max
Heavy Metal (as Pb) 0.001% max
Chloride (Cl) 0.025% max
Sulphate (SO4) 0.4% max
Iron (Fe) 0.05% max
Insoluble in water 0.1% max 0.05% max
PH (1% solution) 9.2 ?C 10.0 9.2 ?C 10.0
Phases I content 5% ?C 40% at request
Loss of weight upon
heating at 140? 0.18% max 0.18% max
Bulk desity (g/cc) 0.4 ?C 0.9 at request 0.5 ?C 0.8 at request
Packing In P.P. bags of 25kg net each.



Sodium Hexameta Phosphate Sodium Pyrophosphate
Formula (NaPO3)6
Technical Grade Food Grade
Total P2O5 content 68% min 68% min
Iron (Fe) 0.05% max
Arsenic (As) 0.0005% max
Fluoride (F) 0.003% max 0.003% max
Heavy metal (Pb) 0.001% max 0.002% max
PH 5.8 ?C 6.5 5.8 ?C 6.5
Insoluble in water 0.06% max
Formula Na4P2O7
Purity 96.5% min
Arsenic 0.0003% max
Fluoride (F) 0.005% max
Heavy metal (as Pb) 0.001% max
Insoluble in water 0.2% max
PH 9.9 ?C 10.7
Loss of weight upon heating 0.5% max
Packing In P.P. woven bags lined with P.P. film


Disodium Hydrogen Phosphate Trisodium Phosphate
Formula Na2HPO4
Technical Grade Food Grade
Purity (Na2HPO4) 98% min 98% min
Sulphate (SO4) 0.12% max 0.12% max
Chloride (Cl) 0.14% max 0.14% max
Fluoride (F) 0.005% max 0.0005% max
Arsenic (As) ddd 0.0005% max
Heavy metal (as Pb) 0.002% max 0.002% max
Insoluble in water 0.05% max 0.05% max
PH 9.0 ?C 9.4 9.0 ?C 9.4
Formula Na3PO4 ? H2O
Purity (Na3PO4 ? H2O) 98% min
Fluoride (F) 0.003% max
Arsenic (As) 0.0003% max
Heavy metal (as Pb) 0.001% max
Insoluble in water 0.05% max
PH 11.5 ?C 12.0

Sodium Silicofluoride
Formula Na2SiF6
Loss of weight upon  heating at 105? 0.40% max
Purity (Na2SiF6) 98.5% min
Free Acid (as HCl) 0.15% max
Insoluble in water 0.5% max
Heavy metal (as Pb) 0.05% max
Particle size 90% min pass 250?m mesh
Packing In P.P. woven bags of 25kg or 50 kg net each lined with P.P. film.


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