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Di-Ammonium Phosphate(DAP)-21-53-00


Molecular formula: (NH4)2HPO4

Molecular weight: 132.0

Standard executed: HG/T4132-2021

CAS Number: 7783-28-0

Other name: Diammonium Hydrogen Phosphate;



Properties

White granular crystal, relative density at 1.619g/cm3, melting point at 155 , easily soluble in water, insoluble in alcohol, PH value of 1% solution is 8.0


Application

As a fire-prevention agent for fabric, timber and paper. Used as a high effective non-chloride N, P compound fertilizer in agriculture. It contains totally 74% fertilizer elements, used as a basic raw material for N, P and K compound fertilizer.

Package

Packing :25 kgs bag,1000 kgs,1100 kgs, 1200 kgs jumbo bag

Loading:25 kgs on pallet: 22 MT/20’FCL; Un-palletized:24MT/20’FCL

Jumbo bag :20 bags /20’FCL 


Specifications


    No.    

Specifications

    National Standard    

     Ronghong Standard    

1

Assay % ≥

95

98 Min

2

Phosphorus pentoxide% ≥    

51

53 Min

3

Nitrogen, as N % ≥

18

20.8 Min

4

PH value (10g/L solution)

/

7.5-8.2

5

Moisture % ≤

5.0

0.2 Max

6

Heavy metals, as Pb %≤

/

/

7

Arsenic, as As% ≤

/

/

8

Fluoride as F% ≤

0.01

0.008 Max

9

Water insoluble % ≤

/

/

10

 Sulfates(SO4) % ≤

/

/

11

Chlorides as Cl %≤

/

/

12

Iron %≤

/

/

13

Lead %≤

/

/