CompoundList
Sign in
Metals, alloys and elements

Copernicium

Also known as copernicium atom, Cn copernicium, ununbium

CAS 54084-26-3Formula CnMolar mass 285.00 g/mol
4 suppliers listed
Get quotes Compare 4 suppliers
Element with atomic number and standard atomic weight

Key facts

What buyers check first

All properties
CAS number
54084-26-3
Formula
Cn
Molar mass
285.00 g/mol
Category
Metals, alloys and elements

What is Copernicium?

Plain description, key identifiers and synonyms

Copernicium atom is a zinc group element atom with a symbol Cn and atomic number 112. All its isotopes are intensely radioactive. Prior to its discovery, it had the placeholder name ununbium (in accordance with IUPAC recommendations). Following its discovery (in Darmstadt, 1996) and subsequent confirmation, the name copernicium was adopted in 2010.

Copernicium is a chemical element with symbol Cn and atomic number 112.

Identifiers

Registry numbers, names and line notations, tap to copy

CAS number
54084-26-3 CAS number cross-checked
Molecular formula
Cn
InChIKey
NOTIIDSZELDPOP-UHFFFAOYSA-N
InChI
InChI=1S/Cn
SMILES (canonical and isomeric)
[Cn]

Synonyms

  • copernicium atom
  • Cn copernicium
  • ununbium
  • Element-Cn
  • Element:Cn
  • Atomic Copernicium
  • Cn (element)
  • Copernicium element
  • Element Copernicium
  • Element:Copernicium
  • Uub
  • Copernicium (atomic)
  • Copernicium (element)
  • 112Uub
  • 112Cn
  • 112Cp

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
285.00 g/molcalc.
Exact mass
285.1741 Dacalc.
LogP (octanol/water)
0calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
1calc.
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.

Copernicium suppliers

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

All 4 suppliers
4 of 4 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

4 suppliers in 4 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Copernicium 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.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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

An indicative HS code has not been assigned to this substance yet, so trade statistics are not linked. Browse world trade statistics by HS code in our trade hub.

Trade data hub

Frequently asked questions

Quick answers about Copernicium, based on the data on this page

What is Copernicium?

Copernicium atom is a zinc group element atom with a symbol Cn and atomic number 112. All its isotopes are intensely radioactive. Prior to its discovery, it had the placeholder name ununbium (in accordance with IUPAC recommendations).

What is the CAS number of Copernicium?

The CAS registry number of Copernicium is 54084-26-3.

What is the molecular formula and weight of Copernicium?

The molecular formula of Copernicium is Cn and its molar mass is 285.00 g/mol.

Is Copernicium hazardous?

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

Where can I buy Copernicium?

CompoundList lists 4 suppliers of Copernicium in China, Japan, South Korea and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Copernicium?

Suppliers quote Copernicium 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 Copernicium

Get quotes for Copernicium

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Copernicium
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Copernicium with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/copernicium-54084-26-3" title="Copernicium structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Metals, alloys and elements

4 suppliers
Free quotes, contact stays private
Get quotes