Manganese dihydrogen phosphate
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Manganese dihydrogen phosphate
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CAS No:
18718-07-5
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Formula:
H3O4P.1/2Mn
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Chemical Name:
Manganese dihydrogen phosphate
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Synonyms:
Phosphoric acid,manganese(2+) salt (2:1);Manganese phosphate (Mn(H2PO4)2);Manganese bis(dihydrogen phosphate);Mazhef salt;Mazhef;Manganese(2+) phosphate (1:2);Manganese(2+) dihydrogen phosphate;Mazhev salt;Manganese dihydrogen phosphate (Mn(H2PO4)2);Manganese dihydrogen phosphate;1616950-66-3
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CAS No:
Safety Information
UN 1578 6.1/PG 2
R34:Causes burns. R36/37/38:Irritating to eyes, respiratory system and skin .
S45-S36/37/39-S26
C,Xi
Manganese dihydrogen phosphate Use and Manufacturing
In the manganese carbonate method, phosphoric acid and manganese carbonate are mixed in a certain proportion to react, and the impurities are removed by clarification, and then concentrated, crystallized and centrifuged to obtain acid manganese phosphate. MnCO3+2H3PO4→Mn(H2P04)2+H2O+CO2↑Manganese sulfate method reacts manganese sulfate with soda ash to form manganese carbonate, and after washing, it reacts with phosphoric acid to form acid manganese phosphate. Heat to 70～80℃, add barium carbonate to remove sulfuric acid The roots were clarified for 24 hours, and the residue was removed by suction filtration. The filtrate was concentrated, crystallized and centrifuged to obtain acid manganese phosphate. MnSO4+Na2CO3→MnCO3+Na2SO4MnCO3+2H3PO4→Mn(H2PO4)2+CO2↑+H2O
It is used for the phosphating treatment of steel products, especially large-scale mechanical equipment, as a phosphating agent, which can play a rust prevention effect. Used as a lubricating layer and protective layer for various weapons in the defense industry. Phosphor sensitizer.
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