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216003

Ammonium phosphate monobasic

Name: Ammonium phosphate monobasic
Brand: SIGALD

ACS reagent, ≥98%

Synonym(s):

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

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About This Item

Linear Formula:

NH₄H₂PO₄

CAS Number:

7722-76-1

Molecular Weight:

115.03

EC Number:

231-764-5

MDL number:

MFCD00003396

UNSPSC Code:

12352300

PubChem Substance ID:

329752181

NACRES:

NA.21

grade

ACS reagent

Quality Level

200

vapor pressure

<0.001 hPa ( 20 °C)

assay

≥98%

form

crystals or chunks

impurities

≤0.005% NH₄OH pptd.
≤0.005% insolubles

pH

3.8-4.4 (25 °C, 5%)

mp

190 °C (dec.) (lit.)

anion traces

chloride (Cl^-): ≤5 ppm
nitrate (NO₃^-): ≤0.001%
sulfate (SO₄^2-): ≤0.01%

cation traces

Ca: 0.001%
Fe: ≤0.001%
K: ≤0.005%
Mg: 0.005%
Na: ≤0.005%
heavy metals (as Pb): ≤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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Related Categories

Salts

Application

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

Other Notes

Go to Redi-Dri^™ Product Listing 795461

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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