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Oxides and peroxides

Copper oxide

Also known as Copper (II) oxide, CuO, Cupric oxide wire

CAS 163686-95-1Formula CuOMolar mass 79.55 g/molEC 215-269-1
58 suppliers listed
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Copper oxide chemical structure, CuO, CAS 163686-95-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
163686-95-1
Formula
CuO
Molar mass
79.55 g/mol
EC number
215-269-1
HS code
282550
Category
Oxides and peroxides

What is Copper oxide?

Plain description, key identifiers and synonyms

Copper oxide is a chemical substance with the molecular formula CuO and a molar mass of 79.55 g/mol. Its CAS registry number is 163686-95-1. The IUPAC name is oxocopper.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
oxocopper
CAS number
163686-95-1Other or deprecated CAS: 1317-38-0
EC number
215-269-1
Molecular formula
CuO
UNII
V1XJQ704R4
MDL number
MFCD00010979
InChIKey
QPLDLSVMHZLSFG-UHFFFAOYSA-N
InChI
InChI=1S/Cu.O
SMILES (canonical and isomeric)
O=[Cu]

Synonyms

  • Copper (II) oxide
  • CuO
  • Cupric oxide wire
  • Paramelaconite
  • Cu-O Linkage
  • copper-oxygen
  • copper(II)oxide
  • Copper oxide, CuO
  • copper-(II) oxide
  • Copper(II) oxide, CP
  • Cupric oxide, acs
  • Copper(II) oxide nanopowder
  • Copper Oxide Nanoparticle Ink
  • Copper(II) oxide, Puratronic?
  • Copper Oxide Powder, 99+% Nano
  • Copper oxide nanopowder (~40 nm)
  • Copper(II) oxide, LR, >=97%
  • Copper(II) oxide (99.995%-Cu)
  • Copper(II) Oxide Nanoparticle Dispersion
  • Copper(II) oxide, ACS reagent, >=99.0%
  • Copper(II) oxide, powder, <10 mum, 98%
  • Copper(II) oxide, >=99.0% (RT), granular
  • Copper(II) oxide, 99.999% trace metals basis
  • Copper(II) oxide, p.a., ACS reagent, 99.0%
  • Copper(II) oxide, powder, 99.99% trace metals basis
Show all 31 synonyms
  • Copper(II) oxide, powder, 99.995% trace metals basis
  • Copper(II) oxide, nanopowder, <50 nm particle size (TEM)
  • Copper(II) oxide, puriss. p.a., >=99.0% (RT), powder
  • Copper(II) oxide, nanotubes, diam. x L 10-12 nm x 75-100 nm
  • Copper(II) oxide on alumina, 14-20 mesh, extent of labeling: 13 wt. % loading
  • Cupric oxide purified, Ultra pure, Powder, Low heavy metals (As: <= 1 ppm, Cd: <= 0.5 ppm, Pb: <= 1 ppm & Hg: <= 0.1 ppm)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
79.55 g/molcalc.
Exact mass
78.9245 Dacalc.
LogP (octanol/water)
-0.12calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
2calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Copper oxide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 58 suppliers
30 of 30 offers

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Where suppliers are based

58 suppliers in 16 countries

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Copper oxide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Copper oxide is traded under.

HS 2825.50Indicative HS code

Copper oxides and hydroxides

World exports in 2024
$547M
+23.8% vs 2023, imports $567M
2019 to 2024
Top exporters
  1. United States34.1%
  2. Norway * partner reported21.5%
  3. Australia9.7%
Top importers
  1. China16.0%
  2. South Korea9.4%
  3. United Kingdom6.4%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Copper oxide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Copper oxide, based on the data on this page

What is Copper oxide?

Copper oxide is a chemical substance with the molecular formula CuO and a molar mass of 79.55 g/mol. Its CAS registry number is 163686-95-1. The IUPAC name is oxocopper.

What is the CAS number of Copper oxide?

The CAS registry number of Copper oxide is 163686-95-1. Other or deprecated CAS numbers: 1317-38-0.

What is the molecular formula and weight of Copper oxide?

The molecular formula of Copper oxide is CuO and its molar mass is 79.55 g/mol.

What is Copper oxide used for?

Known uses and roles of Copper oxide include trace minerals in animal feed and nutrition and analytical reagents in research and laboratory.

Is Copper oxide hazardous?

No GHS hazard classification for Copper oxide is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Copper oxide?

Copper oxide is usually classified under HS code 282550 (Copper oxides and hydroxides). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Copper oxide?

CompoundList lists 58 suppliers of Copper oxide in China, India, United States, South Africa and 12 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Copper oxide in India?

13 suppliers in India list Copper oxide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Copper oxide?

Suppliers quote Copper oxide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Copper oxide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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