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379980

Sigma-Aldrich

Ammonium phosphate dibasic

≥99.99% trace metals basis

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:
12352302
PubChem Substance ID:
24863708
NACRES:
NA.23

assay

≥99.99% trace metals basis

form

crystalline

impurities

≤100.0 ppm Trace Metal Analysis

mp

155 °C (dec.) (lit.)

application(s)

battery manufacturing

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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General description

Ammonium phosphate dibasic is widely used as a starting material to fabricate cathodes for Li-ion batteries. It can also be used to remove residual lithium from LiNiO2-based cathode materials.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Emulsion drying synthesis of olivine LiFePO4/C composite and its electrochemical properties as lithium intercalation material
Seung-Taek Myung, et al
Electrochimica Acta, 49, 4213-4222 (2004)
Enhanced electrochemical properties of a LiNiO2-based cathode material by removing lithium residues with (NH4)2HPO4
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Journal of Materials Chemistry, 2, 11691-11696 (2014)
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