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Ammonium iron(II) sulfate

Also known as: Ferrous ammonium sulfate, Mohr's salt, Ammonium ferrous sulfate, Diammonium iron(II) sulfate, Ammonium iron(II) sulfate (anhydrous)

Ammonium iron(II) sulfate (CAS 10045-89-3) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H8FeN2O8S2 and a molecular weight of 284.047 g/mol. Key properties include a melting point of 100 °C and a boiling point of 330ºC at 760 mmHg. It is classified under GHS with signal word Danger and hazard statements H290 and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
10045-89-3
Jingsj CID
J-32893-5
Molecular Formula
H8FeN2O8S2
Molecular Weight
284.047 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
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Physicochemical Properties

Melting Point100 °C
Boiling Point330ºC at 760 mmHg
Exact Mass283.907135
PSA178.10000
LogP0.81610

GHS Safety & Compliance

CorrosionSignal word: Danger
  • H290
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2833299090

Frequently Asked Questions

What is the CAS number of Ammonium iron(II) sulfate?

The CAS number of Ammonium iron(II) sulfate is 10045-89-3.

What are the molecular formula and molecular weight of Ammonium iron(II) sulfate?

Ammonium iron(II) sulfate has molecular formula H8FeN2O8S2 and molecular weight 284.047 g/mol.

Is Ammonium iron(II) sulfate hazardous?

Ammonium iron(II) sulfate has GHS signal word Danger and hazard statements H290; H314 — Causes severe skin burns and eye damage.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Ammonium iron(II) sulfate (CAS 10045-89-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32893-5 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.