Copper(II) oxide

• CAS: 1317-38-0
• Catalog Number: ACM1317380
• Category: Metal & Ceramic Materials
• Molecular Weight: 79.55
• Molecular Formula: CuO
• Synonyms: Copper oxide (CuO); Copper Brown; AKOS015950660; Copper(II) oxide, 97%; Osmose K-33-C Wood Preservative; Copper(II) oxide (99.995%-Cu) PURATREM; EPA Pesticide Chemical Code 042401; Copper monooxide; Osmose P-50 Wood Preservative; Copporal
• IUPAC Name: Copper oxygen(2-)
• Canonical SMILES: O.[Cu].[Cu]
• InChI: InChI=1S/Cu.O
• InChI Key: QPLDLSVMHZLSFG-UHFFFAOYSA-N
• Melting Point: 1326 DEG C;1879°F (Decomposes)
• Density: 6.315 @ 14 deg C/4 deg C;6.4 (CuO)
• Solubility: Practically insol in water, alc; sol in dilute acids, alkali cyanides, ammonium carbonate soln; slowly sol in ammonia;SOL IN AMMONIUM CHLORIDE, POTASSIUM CYANIDE;Soluble in acids; difficultly soluble in water;Virtually insoluble in water or alcohols; copper(II) oxide dissolves slowly in ammonia solution but quickly in ammonium carbonate solution; it is dissolved by alkali metal cyanides and by strong acid solutions; hot formic acid and boiling acetic acid solutions readily dissolve the oxide.;Insoluble
• Color/Form: Black to brownish-black amorphous or crystalline powder or granules;Monoclinic crystals or black powder;Finely divided black particulate dispersed in air.
• Complexity: 2
• Covalently-Bonded Unit Count: 1
• Decomposition: Decomposes at 1026 deg C.
• EC Number: 215-269-1
• Exact Mass: 78.9245
• H-Bond Acceptor: 1
• Heavy Atom Count: 2
• MDL Number: MFCD00010974
• Monoisotopic Mass: 78.9245
• NSC Number: 83537
• Other Experimental: Heat of fusion: 2820 cal/g mole, 35.4 cal/g;Dielectric constant: 18.1 @ 15 deg C;Copper(II) oxide is decomposed to copper(I) oxide and oxygen at 1030 deg C and atmospheric pressure; the reduction can proceed at lower temperature in a vacuum; hydrogen and carbon monoxide reduce copper(II) oxide to the metal at 250 deg C and to copper(I) oxide at about 150 deg C; ammonia gas reduces copper(II) oxide to copper metal and copper(I) oxide at 425-700 deg C.
• Physical Description: DryPowder; DryPowder, PelletsLargeCrystals; Liquid; OtherSolid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid; WetSolid;Finely divided black particulate dispersed in air. [Note: Exposure may occur in copper & brass plants and during the welding of copper alloys.]
• Physical State: Black to brown powder
• PubChem ID: 14829
• RTECS Number: GL7900000
• Topological Polar Surface Area: 17.1A^2
• Vapor Pressure: 0 mmHg (approx)

Custom Q&A

What is the molecular formula of Copper(II) oxide?

The molecular formula of Copper(II) oxide is CuO.

What is the molecular weight of Copper(II) oxide?

The molecular weight of Copper(II) oxide is 79.55 g/mol.

What is the IUPAC name of Copper(II) oxide?

The IUPAC name of Copper(II) oxide is oxocopper.

What is the InChI of Copper(II) oxide?

The InChI of Copper(II) oxide is InChI=1S/Cu.O.

What is the InChIKey of Copper(II) oxide?

The InChIKey of Copper(II) oxide is QPLDLSVMHZLSFG-UHFFFAOYSA-N.

What is the canonical SMILES of Copper(II) oxide?

The canonical SMILES of Copper(II) oxide is O=[Cu].

What is the CAS number of Copper(II) oxide?

The CAS number of Copper(II) oxide is 1317-38-0.

What is the EC number of Copper(II) oxide?

The EC number of Copper(II) oxide is 215-269-1.

What is the topological polar surface area of Copper(II) oxide?

The topological polar surface area of Copper(II) oxide is 17.1Ų.