Copper(II) oxalate

草酸铜

Also known as: Cupric oxalate, Copper oxalate, Copper(2+) oxalate, Oxalic acid copper(2+) salt (1:1)

Copper(II) oxalate (CAS 814-91-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H2CuO4++ and a molecular weight of 153.58100 g/mol. It is also known as Cupric oxalate, Copper oxalate and Copper(2+) oxalate. Key properties include a boiling point of 365.1ºC at 760 mmHg and a flash point of 188.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
814-91-5
Jingsj CID
J-39787-4
Molecular Formula
C2H2CuO4
Chinese Name
草酸铜
Molecular Weight
153.58100 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point365.1ºC at 760 mmHg
Flash Point188.8ºC

Frequently Asked Questions

What is the CAS number of Copper(II) oxalate?

The CAS number of Copper(II) oxalate is 814-91-5.

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

Copper(II) oxalate has molecular formula C2H2CuO4++ and molecular weight 153.58100 g/mol.

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

Last updated:

How to cite: Jingsj. "Copper(II) oxalate (CAS 814-91-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39787-4 (accessed 2026-10-25).

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