Lianyungang Qinglang Environmental Technology Co., Ltd.



Lianyungang Sunny Environmental Technology Co., Ltd.

Contact: Manager Dong

Contact number: 13861438488

Address: Guanyun Industrial Park, Lianyungang City, Jiangsu


Marif Salt
Marif Salt
Marif Salt

(Manganese Acid Phosphate) Product Introduction

1. English name:Manganese dihydrogen phosphate (Mazhev salt)

2. Molecular formula:Mn(H2PO4)2·2H2O

3. Molecular weight:284.94

4. Characters:

Marif SaltWhite to off-white or reddish crystals, soluble in water and hydrolyzed to form flocculent precipitates. The aqueous solution is acidic and insoluble in alcohol. Has moisture absorption. It is easily deteriorated in contact with oxides and has corrosive effects. Dehydration will produce anhydrous when it is above 100℃. A powder composed of manganese dihydrogen phosphate as the main body and a small amount of iron-containing phosphate and hydrogen phosphate, commonly known as Marif salt.

5. Quality Index:

Phosphoric acid and phosphate content (P2O5)≥46-52%
Manganese (Mn)≥14.5%
Iron (Fe)≤0.2-2%
Total acidity 25 drops, water insoluble matter ≤6%
Sulfate (SO42-)≤0.07%
Chloride (Cl)≤0.05%

6. Purpose:

Used in the phosphating treatment of steel products, especially large-scale machinery and equipment, as a phosphating agent, it can prevent rust.

Seven, packaging:

Imported high-pressure paper-plastic composite bag lined with double-layer high-pressure polyethylene inner bag, net weight: 25kg/bag or drum. It can also be customized according to customer requirements.

8. Storage and transportation matters:

It should be stored in a ventilated, cool and dry warehouse. The container must be sealed and protected from rain and sunlight during transportation.