Copper(II) acetate
Also known as: Cupric acetate, Copper(2+) acetate, Acetic acid copper(2+) salt, Copper, diacetate, Aceticacid,copper(2+)salt, acetatedecuivre (French)
Copper(II) acetate (CAS 142-71-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H6CuO4 and a molecular weight of 181.63400 g/mol. Key properties include a melting point of 115ºC, a boiling point of 117.1ºC at 760 mmHg, a density of 1.068g/cm3 and a flash point of 40ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H314 — Causes severe skin burns and eye damage and H410 — Very toxic to aquatic life with long lasting effects. It is listed by 2 suppliers, 1 of which publish reference prices, from 1.92 to 32.00 CNY. Record last updated Nov 2, 2026.
- CAS No.
- 142-71-2
- Jingsj CID
- J-28492-5
- Molecular Formula
- C4H6CuO4
- Molecular Weight
- 181.63400 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | AR 500g | ¥960.00 | $0.29 /gBest ¥1.92/g CNY | CN China MOQ 500g | |
In Stock | AR 500g | ¥960.00 | $0.29 /g ¥1.92/g CNY | CN China MOQ 500g | |
In Stock | AR 25g | ¥60.00 | $0.36 /g ¥2.40/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 115ºC |
|---|---|
| Boiling Point | 117.1ºC at 760 mmHg |
| Density | 1.068g/cm3 |
| Flash Point | 40ºC |
| Exact Mass | 122.95100 |
| PSA | 37.30000 |
| LogP | 0.08840 |
| Additional Property | 6.9 (vs air) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H314 — Causes severe skin burns and eye damage
- H410 — Very toxic to aquatic life with long lasting effects
Frequently Asked Questions
What is the CAS number of Copper(II) acetate?
The CAS number of Copper(II) acetate is 142-71-2.
What are the molecular formula and molecular weight of Copper(II) acetate?
Copper(II) acetate has molecular formula C4H6CuO4 and molecular weight 181.63400 g/mol.
Which suppliers offer Copper(II) acetate?
2 supplier(s) listed; reference unit price ¥1.92–32.00 /g.
Is Copper(II) acetate hazardous?
Copper(II) acetate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage; H410 — Very toxic to aquatic life with long lasting effects.
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) acetate (CAS 142-71-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28492-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.