Skip to Content
Merck
CN

1.02768

Copper(II) oxide

granular for analysis EMSURE®

Synonym(s):

Copper(II) oxide, Copper monoxide granulated

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

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
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


Quality Level

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 %

Legal Information

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


Still not finding the right product?

Explore all of our products under Copper(II) oxide


pictograms

Environment

signalword

Warning

hcodes

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_c

Not applicable



Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library



Global Trade Item Number

SKUGTIN
102768050004022536036601