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Sodium tripolyphosphate STPP 94% 85% CAS 7758-29-4
Sodium triphosphate STP, also sodium tripolyphosphate (STPP), is an inorganic compound with formula Na5P3O10. It is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid. Sodium tripolyphosphate is a white crystal powder with melting point at 622℃. STPP is easily soluble in water.
Sodium Sulphate CAS 7757-82-6 is white crystals or powder. Maily used in syndet as plugging compound; Used in papermaking industry as degester; Used in glass industry instead of soda ash; Used in chemical industry as material of manufaturing sodium sulphide,sodium silicate etc.; Used in textile industry as dyeing auxiliary; Used in copper metallurgy and leather etc