Ammonium Dihydrogen Phosphate/MAP Wholesale

CAS No.: 7722-76-1
Type.: Phosphates
Appearance: White crystal
Molecular Formula： H6NO4P
Shelf Life： -1 Year
Min Order Quantity: 25kg

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Food Grade

Item	Standard	Test Results
Appearance	white crystal	white crystal
Main Content, as (NH4)H2PO4, %	≥ 99.0	99.87
Phosphoric anhydride content (P2O5)%	≥ 61.0	61.66
Total nitrogen content (N-NH4), %	≥ 12.0	12.03
Insolubles rates, %	≤ 0.1	0.02
Moisture, as H2O, %	≤ 0.2	0.04
PH value	4.3-5.0	4.45
Fluoride, as F, mg/kg	≤ 10	5
As, mg/kg	≤3	＜3
heavy metal, as Pb, mg/kg	≤ 10	＜10
CONCLUSION	PASSED

Industrial Grade

Item	Standard	Test Results
Appearance	white crystal	white crystal
Main Content, as (NH4)H2PO4, %	≥ 98.5	99.05
Phosphoric anhydride content (P2O5), %	≥ 60.8	61.1
Total nitrogen content (N-NH4), %	≥ 11.8	12.1
Insolubles rates, %	≤ 0.1	0.02
Moisture, as H2O, %	≤ 0.5	≤0.15
PH value	4.2-4.8	4.4

(1) MAP (Ammonium Dihydrogen Phosphate) is mainly used to prepare compound fertilizers, and can also be directly applied to farmland. MAP (Ammonium Dihydrogen Phosphate) is used as high efficiency nitrogen and phosphorus compound fertilizer.

(2) MAP (Ammonium Dihydrogen Phosphate) can be used as flame retardant for wood, paper and fabric, dispersant for fiber processing and dye industry, enamel glaze, fire retardant coating compound, fire extinguisher for match holder and candle wick, dry powder extinguishing agent.

(3) MAP (Ammonium Dihydrogen Phosphate) is also used in printing.

(4) MAP (Ammonium Dihydrogen Phosphate) is used in food industry as leavening agent, dough regulator, yeast food, fermentation aid and buffer. Also used as animal feed additives.