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V000302

Ammonium phosphate dibasic

ACS reagent

Synonym(s):

Ammonium hydrogenphosphate, Diammonium hydrogenphosphate, di-Ammonium hydrogenphosphate (sec)

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About This Item

Linear Formula:
(NH4)2HPO4
CAS Number:
7783-28-0
Molecular Weight:
132.06
UNSPSC Code:
12352300
PubChem Substance ID:
329827905
EC Number:
231-987-8
MDL number:
MFCD00010891
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grade

ACS reagent

mp

155 °C (dec.) (lit.)

SMILES string

N.N.OP(O)(O)=O

InChI

1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)

InChI key

MNNHAPBLZZVQHP-UHFFFAOYSA-N

General description

Ammonium phosphate dibasic [(NH4)2HPO4], also known as diammonium phosphate (DAP), is used as a fertilizer, and as a fire retardant material.

Application

DAP can be used as:
  • A source of phosphate to synthesize nanophase hydroxyapatite (HaP) crystals in the presence of calcium nitrate and ammonia by wet chemical precipitation method.
  • A reagent in the preparation of Fe3P composite nanorods.
  • Phosphate precursor for the preparation of mesoporous LiFePO4/carbon microspheres by hydrothermal method for lithium-ion batteries.

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wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Storage Class

13 - Non Combustible Solids

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
DCBD7428V
DCBD6203V
DCBD5904V
DCBD5910V
DCBD4250V

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Synthesis and characterization of Fe3P composite nanorods produced by phosphate reduction in anodized alumina templates
Stamm KL and Brock SL
Journal of alloys and compounds, 453(1-2), 476-481 (2008)
Vivek Dhand et al.
Materials science & engineering. C, Materials for biological applications, 36, 152-159 (2014-01-18)
A simple and facile wet chemistry route was used to synthesize nanophase hydroxyapatite (HaP) crystals at low temperature. The synthesis was carried out at a pH of 11.0 and at a temperature of 37°C. The resulting samples were washed several
Linghui Yu et al.
Nanomaterials (Basel, Switzerland), 3(3), 443-452 (2013-07-22)
This paper reports an "all in one" procedure to produce mesoporous, micro-spherical LiFePO₄ composed of agglomerated crystalline nanoparticles. Each nanoparticle is individually coated with a thin glucose-derived carbon layer. The main advantage of the as-synthesized materials is their good performance
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