SODIUM TRIPOLYPHOSPHATE or STPP is an inorganic compound. It is the sodium salt of the polyphosphate which is the conjugate base of triphosphoric acid. Sodium tripolyphosphate is produced by heating a stoichiometric mixture of disodium phosphate, Na2HPO4 and monosodium phosphate, NaH2PO4 under carefully controlled conditions.
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Chemical name
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Pentasodium triphosphate |
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Formula
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Na₅P₃O₁₀ |
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Molar mass
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367.8 g/mol |
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CAS / EINECS
|
7758-29-4 / 231-838-7 |
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Code
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2835310000 |
Photo
Specification
Application
- detergent industry
- ceramics
- leather tanning
- flame retardant
