Sodium Tripolyphosphate (STPP)
Sodium Tripolyphosphate (STPP)
Sodium Tripolyphosphate, represented by the molecular formula of Na5P3O10, has the structural formula listed as the following picture. It is also named as pentasodium phosphate or STPP.
Molecular Mass: 368
CAS Number: 7758-29-4
Being white crystallized powder or granule with a bulk density between 0.35-0.90g/cm2, Sodium Tripolyphosphate is able to be solute in water and sig water. Its water solution exhibits alkalescency. It’s melt point is 622℃. Absorption of moisture and deliquescence will happen when bared in the air.
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