1.02768

Copper(II) oxide

granular for analysis EMSURE^®

• Synonym(s): Copper(II) oxide, Copper monoxide granulated
• Empirical Formula (Hill Notation): CuO
• CAS Number: 1317-38-0
• Molecular Weight: 79.55
• EC Index Number: 215-269-1
• UNSPSC Code: 12352303
• MDL number: MFCD00010979
• Assay: ≥99.0% (complexometric)
• Form: solid

Properties

• Quality Segment: 300
• product line: EMSURE^®
• assay: ≥99.0% (complexometric)
• form: solid
• potency: 470 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.02% Substances insoluble in nitric acid
• pH: 7 (20 °C, 50 g/L in H₂O, slurry)
• mp: 1326 °C (decomposition)
• density: 6.48 g/cm³ at 25 °C
• bulk density: 500 kg/m³
• anion traces: chloride (Cl^-): ≤0.005%, sulfur compounds (as SO₄^2-): ≤0.015%
• cation traces: Cr: ≤0.05%, Fe: ≤0.05%, N: ≤0.002%, Pb: ≤0.05%, excess alkali:, passes test
• storage temp.: no temp limit
• InChI: 1S/Cu.O
• InChI key: QPLDLSVMHZLSFG-UHFFFAOYSA-N

Description

Analysis Note

Assay (complexometric): ≥ 99.0 %
Substances insoluble in nitric acid: ≤ 0.02 %
Free Alkali: passes test
Chloride (Cl): ≤ 0.005 %
Total sulfur (as sulphates): ≤ 0.015 %
Total nitrogen (N): ≤ 0.002 %
Cr (Chromium): ≤ 0.05 %
Fe (Iron): ≤ 0.05 %
Pb (Lead): ≤ 0.05 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS09
• signalword: Warning
• hcodes: H410
• pcodes: P273 - P391 - P501
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1
• Storage Class: 13 - Non Combustible Solids
• wgk: WGK 3
• flash_point_c: Not applicable