Copper(III) oxide

Copper(III) oxide

Identifiers
CAS Number	163686-95-1
ChemSpider	8074624
Jmol interactive 3D	Image
PubChem	9898967
InChI InChI=1S/2Cu.3O/q;;3*-2 Key: NFFYXVOHHLQALV-UHFFFAOYSA-N
SMILES [O-2].[O-2].[O-2].[Cu+3].[Cu+3]
Properties
Chemical formula	Cu2O3
Molar mass	175.0902 g/mol
Appearance	red crystals
Melting point	75 °C (167 °F; 348 K) (decomposes)
Solubility in water	insoluble
Hazards
US health exposure limits (NIOSH):
PEL (Permissible)	TWA 1 mg/m^3 (as Cu)[1]
REL (Recommended)	TWA 1 mg/m^3 (as Cu)[1]
IDLH (Immediate danger	TWA 100 mg/m^3 (as Cu)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Copper(III) oxide is a chemical compound with the formula Cu₂O₃, the highest copper oxide.^[2]

References

1. "NIOSH Pocket Guide to Chemical Hazards #0150". National Institute for Occupational Safety and Health (NIOSH).
2. Wang, L.S.; Wu, H.; Desai, S.R.; Lou, L., Electronic Structure of Small Copper Oxide Clusters: From Cu2O to Cu2O4, Phys. Rev. B: Cond. Matt., 1996, 53, 12, 8028. [doi:10.1103/PhysRevB.53.8028]

• Chemical encyclopedia / Editorial Board .: Knuniants IL etc. .. - M.: Soviet Encyclopedia, 1990 - V. 2 - 671 s. - ISBN 978-5-85270-035-3.
• R. Ripa, Chetyanu I. Inorganic Chemistry. Chemistry of Metals. - M.: Mir, 1972 - V. 2 - 871 s.