(cupriooxy)copper

• ChemBase ID: 126695
• Molecular Formular: Cu2O
• Molecular Mass: 143.0914
• Monoisotopic Mass: 141.85410962
• SMILES: [Cu]O[Cu]
• Canonical SMILES: [Cu]O[Cu]
• InChI: InChI=1S/2Cu.O
• InChIKey: BERDEBHAJNAUOM-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: (cupriooxy)copper
• IUPAC Traditional name: cuprous oxide
• Synonyms: Cuprous oxide; Dicopper oxide; Cuprite; Red copper oxide; Copper(I) oxide; Copper(I) oxide; 一氧化二铜; 氧化亚铜; 氧化亚铜(I); 氧化亚铜

Database IDs

• CAS Number: 1317-39-1
• EC Number: 215-270-7
• MDL Number: MFCD00010974
• PubChem SID: 162221023; 24882088; 24847856; 24880287; 24884866; 24852532
• PubChem CID: 14830; 10313194
• Chemspider ID: 8488659
• KEGG ID: C18714
• Unique Ingredient Identifier: T8BEA5064F
• Wikipedia Title: Copper(I)_oxide

CALCULATED PROPERTIES

• H Acceptors: 1
• H Donor: 0
• LogD (pH = 5.5): -1.2288
• LogD (pH = 7.4): -1.2288
• Log P: -1.2288
• Molar Refractivity: 1.3502 cm^3
• Polarizability: 7.8424077 Å^3
• Polar Surface Area: 9.23 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: Insoluble in water; Soluble in acid
• Apperance: brownish-red solid; dispersion; powder; red
• Melting Point: 1232°C
• Boiling Point: 1800°C
• Density: 6 g/mL at 25 °C(lit.); 6.0 g/cm^3
• Std enthalpy of formation: -170 kJ·mol^-1
• Std molar entropy: 93 J·mol^-1·K^-1
• Bandgap: 2.137 eV

Safety Information

• RTECS: GL8050000
• European Hazard Symbols: Dangerous for the environment (N); Harmful (Xn); Nature polluting (N); Harmful (Xn)
• UN Number: 1170; 3077
• German water hazard class: 2; 3
• Hazard Class: 3; 9
• Packing Group: 2; 3
• Risk Statements: 22-50/53; 51/53; R22, R50/53
• Safety Statements: 22-60-61; 61; S2, S22, S60, S61
• EU Index: 029-002-00-X
• GHS Pictograms: GHS07; GHS09
• GHS Signal Word: Warning
• NFPA704:
  

  0

  2

  1
• GHS Hazard statements: H302-H410; H411
• GHS Precautionary statements: P273; P273-P501
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Faceshields, Gloves; Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1170 3/PG 2; UN 3077 9/PG 3

Product Information

• Purity: ≥86% Cu basis; ≥99.99% trace metals basis; 97%
• Concentration: 1.5 % (w/v) in ethanol
• Grade: anhydrous
• Particle Size: <350 nm; <5 μm
• Cation Traces: Ag: ≤50 mg/kg; Fe: ≤500 mg/kg; Ni: ≤100 mg/kg
• Contains: stabilizer
• Linear Formula: Cu2O
• Empirical Formula (Hill Notation): Cu2O

DETAILS

Sigma Aldrich - 678945

Application
Used to make CuO gas sensors and CuO nanospheres.1
Packaging
25 mL in glass bottle

Sigma Aldrich - 61205

Application
works in elemental analysis as CuO contact
General description
surface: CuO; core: Cu2O

Sigma Aldrich - 208825

Packaging
12 kg in fiber drum
25, 500 g in poly bottle
2 kg in poly bottle

Sigma Aldrich - 566284

Packaging
5, 25 g in ampule