1.Diammonium Phosphate/ DAP 98% 2.Di-Ammonium Phosphate/ dap18-46-0 3.CAS No.:7783-28-0 4.Food addictive, Nitrogen Fertilizer

Diammonium Phosphate / DAP 98%

1. Description

Molecular formula: (NH4)2HPO4  Molecular weight: 132.0 

CAS Number: 7783-28-0 Standard executed: Q/744657170-9.1-2005(Technical grade)

                 Q/74465717-9.2-2005(Food grade)

Capacity: 5000mt / year 

2. Specification

Diammonium Phosphate (DAP)
Specifications	Industrial Grade	Food Grade
Main content% ≥	98.0	98.0
Phosphorus pentoxide% ≥	53.0	53.0
Nitrogen, as N % ≥	20.8	20.8
PH value of 1% solution	7.8-8.2	7.8-8.2
Moisture % ≤	0.2	0.2
Heavy metals, as Pb %≤	--	0.001
Arsenic, as As% ≤	--	0.0003
Fluoride as F% ≤	--	0.005
Water insoluble % ≤	0.10	0.10

3. Properties

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

4. Uses

As a fire-prevention agent for fabric, timber and paper. For food grade it is mainly used as a fermentation agent, nourishment, and so on. 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.

5. Packing and storage

  In 25kg, 50kg, 1000kg net bags or as clients’ request, store at a cool, dry and well ventilated place.

Diammonium Phosphate