Trisodium phosphate (TSP)

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Trisodium phosphate (TSP) Alias: sodium phosphate Molecular Formula: Na3PO4 or Na3PO4 • 12H2O Molecular weight: 164; 380.14 CAS:7601-54-9 Character: Colorless or white crystallization. The relative density is 1.62 (20 ℃) and melting point 73.3-76.7 ℃. It dissovles in water, the aqueous solution was strongly alkaline. It is insoluble in ethanol, carbon dioxide. In dry air, it was easy to be weathered. The aqueous solution is corrosion of the skin. Uses: used in metallurgy, chemical industry, textile, printing and dyeing, paper making, electrical ,mechanical,water softeners, cleaning detergents; of boiler tube. Dye intermediates desiccant, sugar juice purification agent, photographic developer, silk fabric enhancer and rubber latex coagulantin. Also, it was applicated in pharmaceutical factory. Quality standard( reference standard) Specifications Na3PO4 Na3PO4 .12H2O Industrial grade Food grade Industrial grade Food grade Apearance white powder white or colorless crystal powder Main contents% ≥ 98 98 98 98 Phosphorus pentoxide(P2O5)%≥ 39.5 39.5 18.3 18.3 Sodium oxide, as Na2O 36-40 36-40 15.5-19 15.5-19 Sulfate, as SO4 % ≤ 　 0.25 0.5 0.5 Heavy metal, as Pb% ≤ 　 0.001 0.001 0.001 Arsenic, as As% ≤ 　 0.0003 0.0003 0.0003 Fluoride as F% ≤ 　 0.005 0.005 0.005

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Mianzhu Yao Long Chemical co. ltd.

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