Diammonium Phosphate DAP
Chemical formula: (NH4)2HPO4
Molecular weight: 132.0
CAS No.: 7783-28-0
EINECS No.: 231-987-8
H.S CODE:31053000
Property:
White crystal， Relative density is 1.619g/cm3, melting point is 155℃, easily soluble in water , insoluble in alcohol, PH value of 1%solution is 8.0
Uses:
As a fire-prevention agent for fabric, timber and paper. Also as a raw maerials for ammonium polyphosphate of high polymerization. It may be used for makeding printing plates; in food industry it is mainly used as a fermentation agent, nourishment and so on; In agriculture, it is used as a high effective non-chloride N,P compound fertilizer and containing totally 74% fertilizer elements, it is often used as a basic raw material for N,P and K compound fertilizer.
Packing:
Plastic woven bag. Net weight 25 Kg、 50Kg 、1000Kg , store at a cool, dry and well ventilated place.
Standard executed: HG/T4132-2010 (Tech grade)/ GB 30613-2014 (Food grade)
Specifications | Tech Grade | Food Grade |
Main Content (as (NH4)2HPO4 )%≥ | 99 | 99 |
Phosphorus pentoxide, P2O5 %≥ | 53.0 | 53.0 |
Nitrogen, as N %≥ | 21.0 | 21.0 |
PH of 1% solution | 7.8-8.2 | 7.6-8.2 |
Water insoluble %≤ | 0.1 | 0.1 |
Moisture (H2O) %≤ | 0.2 | 0.2 |
Fluoride (as F) %≤ | / | 0.001 |
Heavy metals (as Pb) %≤ | 0.005 | 0.001 |
Arsenic (as As) %≤ | 0.005 | 0.0003 |