Ammonium iron(III) sulfate
硫酸铁铵
Also known as: Ammonium ferric sulfate, Ferric ammonium sulfate, Ferric alum, Iron alum, Ammonium iron(III) sulfate dodecahydrate, Ammonium iron bis(sulfate), Ammonium ferric disulfate
Ammonium iron(III) sulfate (CAS 10138-04-2) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula FeH5NO4S and a molecular weight of 170.95 g/mol. It is also known as Ammonium ferric sulfate, Ferric ammonium sulfate and Ferric alum. Key properties include a melting point of 40ºC, a boiling point of 85 °C(lit.), a density of 0.87 g/mL at 25 °C(lit.) and a flash point of 28 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 10138-04-2
- Jingsj CID
- J-1323797-2
- Molecular Formula
- FeH5NO4S
- Chinese Name
- 硫酸铁铵
- Molecular Weight
- 170.95 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 40ºC |
|---|---|
| Boiling Point | 85 °C(lit.) |
| Density | 0.87 g/mL at 25 °C(lit.) |
| Flash Point | 28 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Ammonium iron(III) sulfate?
The CAS number of Ammonium iron(III) sulfate is 10138-04-2.
What are the molecular formula and molecular weight of Ammonium iron(III) sulfate?
Ammonium iron(III) sulfate has molecular formula FeH5NO4S and molecular weight 170.95 g/mol.
Is Ammonium iron(III) sulfate hazardous?
Ammonium iron(III) sulfate 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. "Ammonium iron(III) sulfate (CAS 10138-04-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1323797-2 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.