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467782

Ammonium phosphate monobasic

≥99.99% trace metals basis

Sinónimos:

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

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Fórmula lineal:
NH4H2PO4
Número CAS:
7722-76-1
Peso molecular:
115.03
NACRES:
NA.55
PubChem Substance ID:
329757242
UNSPSC Code:
12352300
EC Number:
231-764-5
MDL number:
MFCD00003396
Assay:
≥99.99% trace metals basis
Form:
solid
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description

for inorganic trace analysis

Quality Segment

100

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

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.

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Clase de almacenamiento

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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