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216003

Sigma-Aldrich

Ammonium phosphate monobasic

ACS reagent, ≥98%

Synonym(s):

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

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100 G
RM 257.00
500 G
RM 709.00
2.5 KG
RM 2,201.00

RM 257.00

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100 G
RM 257.00
500 G
RM 709.00
2.5 KG
RM 2,201.00

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
Assay:
≥98%
grade:
ACS reagent
form:
crystals or chunks

RM 257.00

In StockDetails

This SKU is also available as ACS grade in our Exclusive Redi-Dri™ free-flowing product line.
Request a Bulk Order

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 (SO42-): ≤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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Application

Employed in the synthesis of the first example of a mixed-valence ammonium iron phosphate, NH4Fe2(PO4)2.[1]

Other Notes

Go to Redi-Dri™ Product Listing 795461

Legal Information

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000422757
0000422757
MKCX2084
MKCX1306
0000409114

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