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Sodium Tripolyphosphate

Formula: Na5P3O10
Alternate Names: Sodium Triphosphate, STPP

OxideAnalysisFormula
Na2O42.10%0.625
P2O557.90%0.375
Oxide Weight91.99
Formula Weight91.99
If this formula is not unified correctly please contact us.

Used as a source of sodium in the glass industry. The reaction is: 2 Na5P3O10 ----> 5 Na2O + 3P2O5

STPP is also used in glazes and engobes as a deflocculant (to reduce water content).


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In Bound Links


By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Sodium Tripolyphosphate" descrip="" searchkey="Sodium Triphosphate, STPP" loi="0.00" casnumber=""> <oxides> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="42.100" tolerance=""/> <oxide symbol="P2O5" name="Phosphorus Pentoxide" status="" percent="57.900" tolerance=""/> </oxides> </material>


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