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MilliporeSigma

467782

Sigma-Aldrich

Ammonium phosphate monobasic

≥99.99% trace metals basis

Sinónimos:

mono-Ammonium phosphate, prim-Ammonium phosphate, Ammonium dihydrogenphosphate

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About This Item

Fórmula lineal:
NH4H2PO4
Número de CAS:
Peso molecular:
115.03
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.55

grade

for inorganic trace analysis

Quality Level

assay

≥99.99% trace metals basis

form

solid

impurities

≤0.005% insolubles
<100 ppm total metallic impurities

pH

3.8-4.4

mp

190 °C (dec.) (lit.)

solubility

water: soluble(lit.)

anion traces

chloride (Cl-): ≤5 ppm
nitrate (NO3-): ≤0.001%
sulfate (SO42-): ≤0.01%

cation traces

Ca: 0.001%
Fe: ≤0.001%
K: ≤0.005%
Mg: 0.0005%
Na: ≤0.005%
heavy metals: ≤5 ppm

SMILES string

N.OP(O)(O)=O

InChI

1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)

InChI key

LFVGISIMTYGQHF-UHFFFAOYSA-N

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General description

Ammonium phosphate monobasic (APM) is an inorganic salt widely used in fertilizer, baking powder and yeast production. It is also employed as an agent to control pH of a solution, in corrosion inhibition. APM can be prepared by reacting phosphoric acid with anhydrous ammonia maintaining the pH below 5.8. The change in some of the physical characteristics on its addition to a high carbonate containing unfired and fired illitic shale has been studied.

Application

Employed in the synthesis of the first example of a mixed-valence ammonium iron phosphate, NH4Fe2(PO4)2.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Fiedurek J, et al.
Journal of Basic Microbiology, 36(1), 27-32 (1996)
Development of an inhibitor screening platform via mass spectrometry.
Rathore R, et al.
Journal of Biomolecular Screening, 13(10), 1007-1013 (2008)
Study of metastable equilibria in the ternary system NH4H 2PO4-(NH4)2HPO4-H2O at -7 and -9 ?C.
Zerrouk L, et al.
Fluid Phase Equilibria, 354, 47-53 (2013)
Burdock GA.
Encyclopedia of Food and Color Additives, 1, 142-142 (1997)

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