Cobalt(II) oxalate dihydrate

草酸钴(II)二水合物

Also known as: Cobaltous oxalate dihydrate, Cobalt oxalate dihydrate, Oxalic acid cobalt(II) salt dihydrate, Cobalt(II) oxalate dihydrate

Cobalt(II) oxalate dihydrate (CAS 5965-38-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H4CoO6 and a molecular weight of 182.98300 g/mol. It is also known as Cobaltous oxalate dihydrate, Cobalt oxalate dihydrate and Oxalic acid cobalt(II) salt dihydrate. Key properties include a melting point of 230 °C (dec.)(lit.) and a density of 3.021. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5965-38-8
Jingsj CID
J-19446-4
Molecular Formula
C2H4CoO6
Chinese Name
草酸钴(II)二水合物
Molecular Weight
182.98300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point230 °C (dec.)(lit.)
Density3.021

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Cobalt(II) oxalate dihydrate?

The CAS number of Cobalt(II) oxalate dihydrate is 5965-38-8.

What are the molecular formula and molecular weight of Cobalt(II) oxalate dihydrate?

Cobalt(II) oxalate dihydrate has molecular formula C2H4CoO6 and molecular weight 182.98300 g/mol.

Is Cobalt(II) oxalate dihydrate hazardous?

Cobalt(II) oxalate dihydrate has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Cobalt(II) oxalate dihydrate (CAS 5965-38-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19446-4 (accessed 2026-10-23).

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