CAS 1 record

CAS 58591-45-0

CAS 58591-45-0 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 58591-45-0

CAS 58591-45-0PubChem CID 173635

Cobalt nickel oxide (CoNiO2)

IUPAC name: cobalt(2+);nickel(2+);bis(oxygen(2-))

Molecular formula: CoNiO2
Molecular weight: 149.625 g/mol
Exact mass: 148.858364 Da
Topological polar surface area: 2.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 4
Defined stereocentres: 0

Also known as

Nickel cobalt oxideEINECS 261-346-8RefChem:127215Cobalt nickel dioxideNXRFXMYBUJCTPI-UHFFFAOYSA-NCobalt(2+) nickel(2+) oxide (1/1/2)

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External database identifiers

EPA DTXSID:DTXSID90942521

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 58591-45-0

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How CAS 58591-45-0 is used on this site

CAS 58591-45-0 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 58591-45-0 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.