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Sigma-Aldrich

Copper(II) pyrophosphate hydrate

Synonym(s):

Cupric pyrophosphate hydrate

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About This Item

Empirical Formula (Hill Notation):
Cu2P2O7 · xH2O
CAS Number:
Molecular Weight:
301.04 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

form

powder and chunks

Quality Level

composition

Degree of hydration, ~3

concentration

33-35% Cu (EDTA titration)

solubility

H2O: insoluble(lit.)

application(s)

battery manufacturing

SMILES string

O.[Cu++].[Cu++].[O-]P([O-])(=O)OP([O-])([O-])=O

InChI

1S/2Cu.H4O7P2.H2O/c;;1-8(2,3)7-9(4,5)6;/h;;(H2,1,2,3)(H2,4,5,6);1H2/q2*+2;;/p-4

InChI key

PXZSJEBZWADSIY-UHFFFAOYSA-J

Related Categories

Application

Copper(II) pyrophosphate hydrate was one of the constituents in the preparation of an electrolyte which was used to study the application of nickel-tin (Ni-Sn) nanowires as electrodes for Li-ion batteries.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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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Stable high areal capacity lithium-ion battery anodes based on three-dimensional. Ni-Sn nanowire networks.
Tian M, et al.
Journal of Power Sources, 211, 46-51 (2012)

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