Copper(II) oxalate
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 C2CuO4 and a molecular weight of 151.56400 g/mol. 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 Nov 2, 2026.
- CAS No.
- 814-91-5
- Jingsj CID
- J-39787-5
- Molecular Formula
- C2CuO4
- Molecular Weight
- 151.56400 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 365.1ºC at 760 mmHg |
|---|---|
| Flash Point | 188.8ºC |
| Exact Mass | 152.92500 |
| PSA | 74.60000 |
| Additional Property | insoluble |
Customs & Trade Information
| HS Code | 2917119000 |
|---|---|
| Summary | 2917119000 oxalic acid salts and esters VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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 C2CuO4 and molecular weight 151.56400 g/mol.
What are the upstream and downstream products of Copper(II) oxalate?
For Copper(II) oxalate, Upstream Products: Oxalic acid, Potassium oxalate, Copper(II) sulfate pentahydrate.
Data compiled from public chemical databases such as PubChem 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-39787-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.