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Potassium metaphosphate

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CAS:7790-53-6
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Potassium metaphosphate Basic information
Product Name:Potassium metaphosphate
Synonyms:metaphosphoric acid potassium salt;Metaphosphoric acid (HPO3), potassium salt;metaphosphoricacid(hpo3),potassiumsalt;POTASSIUM METAPHOSPHATE;Potassium metaphosphate, 98% (Assay);Potassiummetaphosphate,98%;Potassium Hexametaphosphate;Potassium polypllosphates
CAS:7790-53-6
MF:KO3P
MW:118.07
EINECS:232-212-6
Product Categories:metal phosphate compound;Inorganics
Mol File:7790-53-6.mol
Potassium metaphosphate Structure
Potassium metaphosphate Chemical Properties
Melting point 807°C
Boiling point 1320℃ [CRC10]
density 2,393 g/cm3
form Powder
color white
Specific Gravity2.393
Water Solubility g/100mL solution H2O: 0.0041 (25°C) [KRU93]
CAS DataBase Reference7790-53-6(CAS DataBase Reference)
NIST Chemistry ReferencePotassium metaphosphate(7790-53-6)
EPA Substance Registry SystemMetaphosphoric acid (HPO3), potassium salt(7790-53-6)
Safety Information
Safety Statements 22-24/25
MSDS Information
Potassium metaphosphate Usage And Synthesis
Chemical PropertiesWhite powder.Soluble in dilute acids; slightly soluble in water.
UsesPotassium Metaphosphate is a substitute for sodium phosphate in low-sodium foods. it also functions as a fermentation nutrient and buffer.
UsesPharmaceutic aid (buffering agent).
Agricultural UsesPotassium metaphosphate is the salt of metaphosphoric acid. It is a readily available source of phosphorus and potassium to plants, and comprises 60% phosphorus and 40% potassium (K2O). When pure, it contains almost 100% plant food. Potassium metaphosphate, K6(PO3)6?H2O, is made by reacting phosphorus pentoxide (P2O5) with potassium chloride (KCl) at a high temperature. It is slightly soluble in water and makes phosphate available after hydrolysis. Although slightly soluble in water, it is readily soluble in ammonium citrate solution.
Potassium metaphosphate Preparation Products And Raw materials
Raw materialsPotassium dihydrogen phosphate-->Potassium triphosphate
Tag:Potassium metaphosphate(7790-53-6) Related Product Information
Potassium phosphate Polyphosphoric acid Metaphosphoric acid Potassium metaphosphate Potassium iodide Potassium Acetate Potassium METAPHOSPHORIC ACID POTASSIUM CYANIDE Potassium persulfate Sodium metaphosphate Potassium sorbate Aluminum metaphosphate Losartan potassium Potassium sulfate Potassium chloride