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Manganous dihydrogen phosphate
Manganese dihydrogen phosphate
CAS Number:18718-07-5
Molecular Formula:H3O4P.1/2Mn
Molecular Weight:284.94
Alias: Manganese dihydrogen phosphate
English name: Manganese dihydrogen phosphate
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.
Specification:
| Indicator | indicator |
| 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 |
Use: 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.
Packing: Woven bag lined with plastic bags, each bag of 25 kg or 50 kg. Iron drum lined with plastic bags, 50 kg per barrel.

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