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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:
Molecular Weight:
132.06
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

Quality Level

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 Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Enhanced electrochemical properties of a LiNiO2-based cathode material by removing lithium residues with (NH4)2HPO4
Xunhui Xiong, et al.
Journal of Materials Chemistry, 2, 11691-11696 (2014)
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)
Janet Sze-Jing Cheung et al.
International journal of hygiene and environmental health, 230, 113623-113623 (2020-09-16)
There are concerns in Yellowknife, Northwest Territories, Canada, about arsenic exposure due to past mining operations, particularly the former Giant Mine. The objective of this study was to characterize the risk of arsenic exposure and associated risk factors among the
Martin P Pothier et al.
Frontiers in microbiology, 9, 2310-2310 (2018-10-20)
Despite its high toxicity and widespread occurrence in many parts of the world, arsenic (As) concentrations in decentralized water supplies such as domestic wells remain often unquantified. One limitation to effective monitoring is the high cost and lack of portability
Alicia Gutiérrez et al.
Food microbiology, 31(1), 25-32 (2012-04-06)
Nitrogen deficiencies in grape musts are one of the main causes of stuck or sluggish wine fermentations. Currently, the most common method for dealing with nitrogen-deficient fermentations is adding supplementary nitrogen (usually ammonium phosphate). However, it is important to know

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