Copper(II) sulfate
Also known as: Cupric sulfate, Copper sulfate, Copper(2+) sulfate, CuSO4, sulfuric acid copper(2+) salt (1:1), EINECS 231-847-6, MFCD00010981
Copper(II) sulfate (CAS 7758-98-7) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula CuO4S and a molecular weight of 159.60700 g/mol. Key properties include a melting point of 200 °C (dec.)(lit.), a boiling point of 330ºC at 760 mmHg and a density of 3.603 g/mL at 25 °C(lit.). It is classified under GHS with signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 7758-98-7
- Jingsj CID
- J-1499004-7
- Molecular Formula
- CuO4S
- Molecular Weight
- 159.60700 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 200 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 330ºC at 760 mmHg |
| Density | 3.603 g/mL at 25 °C(lit.) |
| Exact Mass | 248.934158 |
| PSA | 88.64000 |
| Appearance | powder |
| Vapor Pressure | 3.35E-05mmHg at 25°C |
| Additional Property | 203 g/L (20 ºC) |
GHS Safety & Compliance
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2833250000 |
|---|
Frequently Asked Questions
What is the CAS number of Copper(II) sulfate?
The CAS number of Copper(II) sulfate is 7758-98-7.
What are the molecular formula and molecular weight of Copper(II) sulfate?
Copper(II) sulfate has molecular formula CuO4S and molecular weight 159.60700 g/mol.
Is Copper(II) sulfate hazardous?
Copper(II) sulfate has GHS signal word Warning and hazard statements 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) sulfate (CAS 7758-98-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499004-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.