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Flame Retardant Ammonium Dihydrogen Phosphate (MAP)

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category：Flame Retardant Application
Properties: White crystal powder, easily soluble in water, slightly soluble in alcohol, insoluble in ketone.
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Flame Retardant 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 crystal powder, easily soluble in water, slightly soluble in alcohol, insoluble in ketone.

Application: Ammonium dihydrogen phosphate is the main raw material of dry powder fire extinguishing agent, and its mixture with boric acid and sodium tungstate is very effective for the flame retardant of fabrics.

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:
phosphate
retardant
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Flame Retardant Ammonium Dihydrogen Phosphate (MAP)
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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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