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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

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

379980-BULK:
379980-100G:
379980-25G:
379980-VAR:


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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
Xunhui Xiong, et al.
Journal of Materials Chemistry, 2, 11691-11696 (2014)
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
Xiaopeng Gao et al.
Journal of the science of food and agriculture, 90(5), 750-758 (2010-04-01)
A 3-year field trial was conducted to investigate the effect of agricultural management practices including tillage, preceding crop and phosphate fertilization on root colonization by arbuscular mycorrhizal (AM) fungi and grain cadmium (Cd) concentration of durum wheat (Triticum turgidum L.).

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