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Coenzymes and cofactors

Cobalt(2+)

Also known as Cobaltous cation, Cobalt(II) ion, Co2+

CAS 22541-53-3Formula Co+2Molar mass 58.93 g/mol
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Cobalt(2+) chemical structure, Co+2, CAS 22541-53-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
22541-53-3
Formula
Co+2
Molar mass
58.93 g/mol
HS code
285390
Category
Coenzymes and cofactors

What is Cobalt(2+)?

Plain description, key identifiers and synonyms

Cobalt(2+) is a cobalt cation, a monoatomic dication and a divalent metal cation. It has a role as a cofactor.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
cobalt(2+)
CAS number
22541-53-3 CAS number cross-checkedOther or deprecated CAS: 7440-48-4
Molecular formula
Co+2
UNII
AI1MR454XG
InChIKey
XLJKHNWPARRRJB-UHFFFAOYSA-N
InChI
InChI=1S/Co/q+2
SMILES (canonical and isomeric)
[Co+2]

Synonyms

  • Cobaltous cation
  • Cobalt(II) ion
  • Co2+
  • cobalt ion
  • Cobaltous ion
  • Cobalt, ion (Co2+)
  • Cobalt(II) cation
  • Cobalt cation (Co2+)
  • Co++
  • Co(II)
  • Co(2+)
  • Cobalt dication
  • Cobalt ions
  • Cobalt(II)ions
  • Cobalt(2+)ions
  • Cobalt(2+) ions
  • Cobalt, ion(Co2 )
  • CoII
  • cobalt (II)
  • Cobalt ion(2+)
  • Co+2

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
58.93 g/molcalc.
Exact mass
58.9321 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
2calc.
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.

Cobalt(2+) suppliers

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

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Cobalt(2+) 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

Roles

  • cofactor

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 Cobalt(2+) is traded under.

HS 2853.90Indicative HS code

Phosphides, whether or not chemically defined, excluding ferrophosphorus, other, other

World exports in 2024
$2.45B
−33.6% vs 2023, imports $816M
2019 to 2024
Top exporters
  1. China68.4%
  2. Israel8.1%
  3. United States4.9%
Top importers
  1. United States19.3%
  2. Japan17.9%
  3. China13.4%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Cobalt(2+) is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Cobalt(2+), based on the data on this page

What is Cobalt(2+)?

Cobalt(2+) is a cobalt cation, a monoatomic dication and a divalent metal cation. It has a role as a cofactor.

What is the CAS number of Cobalt(2+)?

The CAS registry number of Cobalt(2+) is 22541-53-3. Other or deprecated CAS numbers: 7440-48-4.

What is the molecular formula and weight of Cobalt(2+)?

The molecular formula of Cobalt(2+) is Co+2 and its molar mass is 58.93 g/mol.

What is Cobalt(2+) used for?

Known uses and roles of Cobalt(2+) include cofactor.

Is Cobalt(2+) hazardous?

No GHS hazard classification for Cobalt(2+) 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 Cobalt(2+)?

Cobalt(2+) is usually classified under HS code 285390 (Phosphides, whether or not chemically defined, excluding ferrophosphorus, other…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cobalt(2+)?

Post a free request on CompoundList and suppliers of Cobalt(2+) will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Cobalt(2+)?

Suppliers quote Cobalt(2+) 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 Cobalt(2+)

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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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