1.02768
Copper(II) oxide
granular for analysis EMSURE®
Synonym(s):
Copper(II) oxide, Copper monoxide granulated
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About This Item
Empirical Formula (Hill Notation):
CuO
CAS Number:
Molecular Weight:
79.55
EC Index Number:
215-269-1
UNSPSC Code:
12352303
MDL number:
Assay:
≥99.0% (complexometric)
Form:
solid
Quality Segment
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 SO42-): ≤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
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 %
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
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Signal Word
Warning
Hazard Codes
Precautionary Statements
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1
Storage Class
13 - Non Combustible Solids
WGK
WGK 3
Flash Point (°C)
Not applicable
Flash Point (°F)
Not applicable
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