Ferrous sulfate heptahydrate
Also known as: Iron(II) sulfate heptahydrate, Iron(2+) sulfate heptahydrate, Green vitriol, Copperas, FeSO4·7H2O, MFCD00036428, EINECS 238-676-6
Ferrous sulfate heptahydrate (CAS 7782-63-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H14FeO11S and a molecular weight of 278.015 g/mol. Key properties include a melting point of 64 °C, a boiling point of 330ºC at 760 mmHg and a density of 0.999 g/mL at 25 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 7782-63-0
- Jingsj CID
- J-927068-2
- Molecular Formula
- H14FeO11S
- Molecular Weight
- 278.015 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 64 °C |
|---|---|
| Boiling Point | 330ºC at 760 mmHg |
| Density | 0.999 g/mL at 25 °C |
| Exact Mass | 277.960632 |
| PSA | 153.25000 |
| Vapor Pressure | 14.6 mm Hg ( 25 °C) |
| Additional Property | 25.6 g/100 mL (20 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2833291000 |
|---|
Frequently Asked Questions
What is the CAS number of Ferrous sulfate heptahydrate?
The CAS number of Ferrous sulfate heptahydrate is 7782-63-0.
What are the molecular formula and molecular weight of Ferrous sulfate heptahydrate?
Ferrous sulfate heptahydrate has molecular formula H14FeO11S and molecular weight 278.015 g/mol.
Which suppliers offer Ferrous sulfate heptahydrate?
1 supplier(s) listed; request a quote for pricing.
Is Ferrous sulfate heptahydrate hazardous?
Ferrous sulfate heptahydrate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ferrous sulfate heptahydrate (CAS 7782-63-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-927068-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.