Sodium Tripolyphosphate
Description
Sodium Tripolyphosphate is a white crystalline material which is available in a variety of granular or powdered forms.
Also known as
STPP, anhydrous pentasodium triphosphate, triphosphoric acid,pentasodium salt, and others.
Chemical Structure
Chemical Formula
Na5P3O10
CAS Number
7758-29-4
Uses
Agriculture, cement, petroleum, pulp and paper, soap and detergent, water treatment, and others.
Properties
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Property
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Typical
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Boiling Point
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N/A
|
|
Specific Gravity
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N/A
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|
Appearance / Odor
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White powder or granular
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Solubility in Water
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16g / 100ml water at 0C / 32.2g / 100ml water at 100C
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Melting Point
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622C
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pH
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9.7-10.1 s.u. as a 1% solution @ 25C
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Molecular Weight
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367.86 g/mol
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