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Diammonium Phosphate (DAP 21-53-0)

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Diammonium Phosphate (DAP 21-53-0)

Diammonium Phosphate (DAP 21-53-0)

Information

Appearance

White crystal 

CAS NO.

7783-28-0

EINECS.

231-987-8

H.S CODE

2835100000

Molecular Formula

(NH4)2HPO4

Molecular Weight

132.06

Quality Standard

Quality Standard:HG/T 413 3 2010

Component National Standard Typical
Main content(NH4)2HPO4,% ≥98.0 99.35
Nitrogen,% ≥21.0 21.13
P2O5,% ≥53.0 53.36
Moisture,% ≤0.20 0.10
Water insoluble,% ≤0.1 0.01
Application

1. Fertilizer

Diammonium phosphate (DAP 21-53-0) is widely used as a source of Phosphorus and Nitrogen, and as a fertilizer it is excellent for low pH or alkaline soils.

2. Non Agricultural Uses

(1) Used as a fire retardant.

(2) Used as a yeast nutrient in winemaking and the brewing of mead.

(3) Used as an additive in some brands of cigarettes purportedly as a nicotine enhancer.

(4) Used as a flux in soldering tin, copper, zinc and brass.

(5) Used to control the precipitation of alkali-soluble and acid-insoluble colloidal dyes for wool.


Packaging & Transportation

Packing: Externally consists of polypropylene woven bags, and internally of paper-plastic composite bags; Kraft paper bags lined with polyethylene plastic bags.

Net weight: 25, 50, or 1000kg bags, or customized according to customer requirements.

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