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Ammonium Dihydrogen Phosphate (MAP)

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category：Industrial application
Properties: White granular crystal, relative density 1.803, melting point 190℃, easily soluble in water, slightly soluble in alcohol, insoluble in ketone, PH value of 1% aqueous solution is 4.5.
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Parameters

Ammonium Dihydrogen Phosphate (MAP)

Monoammonium Phosphate

Chemical formula: NH4H2PO4

Molecular weight: 115.0

CAS No.: 7722-76-1

Executive standard: HG/T4133-2010 (industrial grade)

Properties: White granular crystal, relative density 1.803, melting point 190℃, easily soluble in water, slightly soluble in alcohol, insoluble in ketone, PH value of 1% aqueous solution is 4.5.

Uses: In circulating water and boiler water treatment, it can be used as anode corrosion inhibitor. Ammonium dihydrogen phosphate, like chromate, can form a fairly hard protective film on the metal surface. In the biochemical treatment of water , ammonium dihydrogen phosphate can be used as a biological culture agent.

Packing: inner plastic outer woven, net weight 25Kg, 50Kg, 1000Kg per bag, stored in a ventilated and dry place.

[Table unit: %]

Serial number  Indicator name    National standard  Internal control index 
1  Main content (calculated as NH4H2PO4)  ≥  98.5  99 
2  Main content (calculated as P2O5)  ≥  60.8  61.12 
3  Nitrogen (in N)  ≥  11.8  12.2 
4  Arsenic (AS)  ≤  0.005  0.005 
5  Fluoride (in F)  ≤  0.02  0.001 
6  Heavy metals (in Pb)  ≤  /  0.001 
7  Water insoluble matter  ≤  0.1  0.008 
8  Moisture  ≤  0.5  0.1 
9  Sulfate (in terms of SO4)  ≤  0.9  0.005 
10  Iron (in Fe)  ≤  /  0.001 
11  Lead (in Pb)  ≤  /  0.0004 
12  PH (10g/L solution)    4.2-4.8  4.2-4.8 
13  Chloride (in Cl)  ≤  /  0.001 
14  Appearance    White crystalline particles  White crystalline particles 
Keyword:
water
phosphate
ammonium
dihydrogen
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Potassium Dihydrogen Phosphate (MKP)
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Sodium pyrophosphate (TSPP)

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Feed Additive Potassium Dihydrogen Phosphate (MKP)
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Properties: Colorless transparent crystal, stable in air, soluble in water (22.6g/100ml), insoluble in ethanol, deliquescence. When heated to 400 ℃, it melts into a transparent liquid, and after cooling, it solidifies into an opaque glassy potassium metaphosphate.
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Food Grade Dipotassium Phosphate (DKP)
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Properties: Dipotassium hydrogen phosphate trihydrate is white crystal with water. Anhydrous is white powder. Easily soluble in water, the aqueous solution is slightly alkaline, slightly soluble in alcohol, hygroscopic, and self-dissolving at high temperature. Anhydrous dipotassium hydrogen phosphate is converted into potassium pyrophosphate when heated to 204°C.
Food Grade Potassium Dihydrogen Phosphate (MKP)
Food Grade Potassium Dihydrogen Phosphate (MKP)
Properties: Colorless transparent crystal, stable in air, soluble in water (22.6g/100ml), insoluble in ethanol, deliquescence. When heated to 400 ℃, it melts into a transparent liquid, and after cooling, it solidifies into an opaque glassy potassium metaphosphate.
Food Grade Potassium Pyrophosphate (TKPP)
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Properties: White powder or block, the apparent specific gravity is above 0.3, the melting point is 1100 ° C, soluble in water, insoluble in alcohol, the aqueous solution is alkaline. It has high solubility in water (187 grams per 100 grams of water at 25°C), and has a slight deliquescence.
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