Mono Ammonium Phosphate（MAP)12-61-00 - Phosphoric Products - China Yeyuan Chemical Raw Material Supplier - PVC - PVC Add...

Mono Ammonium Phosphate（MAP)12-61-00

Molecular formula: NH4H2PO4

Molecular weight: 115.0

National Standard: HG/T4133-2021

CAS Number: 7722-76-1

Other Name: Ammonium Dihydrogen Phosphate;

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Performance and Usage

White granular crystal; relative density at 1.803g/cm³, melting point at 190℃ , easily soluble in water, slightly soluble in alcohol, insoluble in ketene, PH value of 1% solution is 4.5.

As a fire-prevention agent for fabric, timber and paper, as well as a fire-prevention coating, and dry powder for fire extinguisher. Used as a high effective non-chloride N, P compound fertilizer in agriculture. Its total nourishment (N+P2O5 ) is at 73%, and may be used as a basic raw material for N, P and K compound fertilizer.

Quality Specification

No	Specifications	National Standard	Standard
1	Assay % ≥	98.5	98.5 Min
2	Phosphorus pentoxide% ≥	60.8	61.0 Min
3	Nitrogen, as N % ≥	11.8	12.0 Min
4	PH (10g/L solution)	4.2-4.8	4.2-4.8
5	Moisture% ≤	0.5	0.2
6	Heavy metals, as Pb % ≤	/	0.0025
7	Arsenic, as As % ≤	0.005	0.003 Max
8	Pb % ≤	/	0.008
9	Fluoride as F % ≤	0.02	0.01 Max
10	Water insoluble % ≤	0.1	0.01
11	SO₄ % ≤	0.9	0.1
12	Cl % ≤	/	0.008
13	Iron as Fe % ≤	/	0.02