Cobalt(III) hydroxide

氢氧化高钴

Also known as: Cobalt trihydroxide, Cobaltic hydroxide, Cobalt hydroxide (Co(OH)3)

Cobalt(III) hydroxide (CAS 1307-86-4) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula CoH3O3 and a molecular weight of 109.95500 g/mol. It is also known as Cobalt trihydroxide, Cobaltic hydroxide and Cobalt hydroxide (Co(OH)3). Key properties include a melting point of decomposes [STR93], a boiling point of 100ºC at 760mmHg and a density of 4.46 [HAW93]. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1307-86-4
Jingsj CID
J-1002905-7
Molecular Formula
CoH3O3
Chinese Name
氢氧化高钴
Molecular Weight
109.95500 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Pointdecomposes [STR93]
Boiling Point100ºC at 760mmHg
Density4.46 [HAW93]

Frequently Asked Questions

What is the CAS number of Cobalt(III) hydroxide?

The CAS number of Cobalt(III) hydroxide is 1307-86-4.

What are the molecular formula and molecular weight of Cobalt(III) hydroxide?

Cobalt(III) hydroxide has molecular formula CoH3O3 and molecular weight 109.95500 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Cobalt(III) hydroxide (CAS 1307-86-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002905-7 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.