Manganous Dihydrogen Phosphate
Manganous Dihydrogen Phosphate
Other Names: Manganese dihydrogen phosphate, Mazhev salt
CAS No.: 18718-07-5
EINECS No.:242-520-2
Molecular formula: Mn(H2PO4)2•2H2O
Property: White to gray or reddish crystals. Hygroscopicity strong, can be dissolved in water and from the hydrolysis to generate the flocculent precipitate. The acidic aqueous solution. Insoluble in alcohol.
Mainly used as rust-proof steel phosphating agent. Especially suitable for large-scale machinery and equipment, painting and by the phosphate treatment prevents the device from atmospheric erosion and improve the insulation.
Store at a cool, dry and well ventilated place
Woven bag lined with plastic bags, each bag of 25 kg or 50 kg. Iron drum lined with plastic bags, 50 kg per barrel.

Quality Standard
Item Standard
Phosphoric acid and phosphate (P2O5, %) 46—52
Manganese (Mn, %) ≥14.0
Iron (Fe, %) ≤0.5
Acidity(0.3 samples consume 0.1NnaOH) ≥25.0
Water insoluble (%) ≤6.0
Sulfate (SO42, %) ≤0.07
Heating Loss (%) ≤19.0

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