344699

Copper(II) pyrophosphate hydrate

• Synonym(s): Cupric pyrophosphate hydrate
• 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

Properties

• 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

Description

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.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves