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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:
16570-28-8
Molecular Weight:
301.04 (anhydrous basis)
EC Number:
239-250-2
MDL number:
MFCD00150225
UNSPSC Code:
12352302
PubChem Substance ID:
24861273
NACRES:
NA.23

form

powder and chunks

Quality Level

100

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
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

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

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

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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