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A5764

Sigma-Aldrich

Ammonium phosphate dibasic

reagent grade, ≥98.0%

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
EC Number:
231-987-8
MDL number:
MFCD00010891
UNSPSC Code:
12352300
PubChem Substance ID:
329770835
NACRES:
NA.21

grade

reagent grade

Quality Level

100

Assay

≥98.0%

form

powder or crystals

pH

7.5-9.0 (25 °C, 132.1 g/L)

mp

155 °C (dec.) (lit.)

solubility

water: soluble 132 g/L at 20 °C

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

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Application

Ammonium phosphate dibasic may be used in the following studies:
  • As an activator in generating activated carbon using waste ramulus mori as a source material.
  • To compose the mobile phase for the removal of synthetic impurities from voriconazole by HPLC.
  • Preparation of Eu ions doped oxyapatite Ca8Gd2(PO4)6O2 (CGP) samples.
  • Syringe-type cartridge based electric field-assisted solid phase extraction of sunset yellow, an anionic dye.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Study of metastable equilibria in the ternary system NH4H 2PO4-(NH4)2HPO4-H2O at -7 and -9 ?C.
Fluid Phase Equilibria, 354, 47-53 (2013)
Preparation and characterization of activated carbon from waste ramulus mori.
Tang YB, et al.
Chemical Engineering Journal, 203, 19-24 (2012)
Burdock GA.
Encyclopedia of Food and Color Additives, 1, 144-144 (1997)
Development and validation of a stability-indicating HPLC method for determination of voriconazole and its related substances.
Gu P and Li Y.
Journal of Chromatographic Science, 47(7), 594-598 (2009)
Hydrothermal synthesis, structures and luminescent properties of nanocrystaline Ca8Gd2(PO4)6O2: Eu2+, Eu3+ phosphors.
Bharat L, et al.
Chemical Engineering Journal, 240, 179-186 (2014)
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