Ferrous ammonium sulfate hexahydrate
六水合硫酸亚铁铵
Also known as: Ammonium iron(II) sulfate hexahydrate, Mohr's salt, Ferrous alum, Ammonium ferrous sulfate hexahydrate, Diammonium iron(II) sulfate hexahydrate
Ferrous ammonium sulfate hexahydrate (CAS 7783-85-9) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H20FeN2O14S2 and a molecular weight of 392.139 g/mol. It is also known as Ammonium iron(II) sulfate hexahydrate, Mohr's salt and Ferrous alum. Key properties include a melting point of 100 °C (dec.)(lit.) and a density of 1,864 g/cm3. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7783-85-9
- Jingsj CID
- J-1110544-6
- Molecular Formula
- H20FeN2O14S2
- Chinese Name
- 六水合硫酸亚铁铵
- Molecular Weight
- 392.139 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 100 °C (dec.)(lit.) |
|---|---|
| Density | 1,864 g/cm3 |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Ferrous ammonium sulfate hexahydrate?
The CAS number of Ferrous ammonium sulfate hexahydrate is 7783-85-9.
What are the molecular formula and molecular weight of Ferrous ammonium sulfate hexahydrate?
Ferrous ammonium sulfate hexahydrate has molecular formula H20FeN2O14S2 and molecular weight 392.139 g/mol.
Is Ferrous ammonium sulfate hexahydrate hazardous?
Ferrous ammonium sulfate hexahydrate has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ferrous ammonium sulfate hexahydrate (CAS 7783-85-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1110544-6 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.