Ammonium hexachloroosmate(IV)

氯锇酸铵

Also known as: AMMONIUM CHLOROOSMATE, AMMONIUM HEXACHLOROOSMATE, AMMONIUM HEXACHLOROOSMIATE(IV), OSMIUM AMMONIUM CHLORIDE, OSMIUM(IV)-AMMONIUM CHLORIDE, Diammonium hexachloroosmate(2-), diammonium hexachloroosmate

Ammonium hexachloroosmate(IV) (CAS 12125-08-5) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H8Cl6N2Os and a molecular weight of 439.025 g/mol. It is also known as AMMONIUM CHLOROOSMATE, AMMONIUM HEXACHLOROOSMATE and AMMONIUM HEXACHLOROOSMIATE(IV). Key properties include a melting point of 170 °C (subl.)(lit.) and a density of 2.93 g/mL at 25 °C(lit.). GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 12125-08-5
Jingsj CID: J-1993380-3
Molecular Formula: H₈Cl₆N₂Os
Chinese Name: 氯锇酸铵
Molecular Weight: 439.025 g/mol
Category: Inorganic Chemicals
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	170 °C (subl.)(lit.)
Density	2.93 g/mL at 25 °C(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Ammonium hexachloroosmate(IV)?

The CAS number of Ammonium hexachloroosmate(IV) is 12125-08-5.

What are the molecular formula and molecular weight of Ammonium hexachloroosmate(IV)?

Ammonium hexachloroosmate(IV) has molecular formula H8Cl6N2Os and molecular weight 439.025 g/mol.

Is Ammonium hexachloroosmate(IV) hazardous?

Ammonium hexachloroosmate(IV) has GHS signal word Warning.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Ammonium hexachloroosmate(IV) (CAS 12125-08-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993380-3 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.