Potassium hexachloroosmate(IV)

六氯锇(IV)酸钾

Also known as: Dipotassium hexachloroosmate, Potassium hexachloroosmate(IV), Dipotassium hexachloroosmate(2-), Potassium hexachloroosmiate(IV), Osmium(4+) potassium chloride (1:2:6), OSMIUM POTASSIUM CHLORIDE, Potassium chloroosmate, Potassium chloroosmiate, dipotassium hexachloroosmate K2OsCl6

Potassium hexachloroosmate(IV) (CAS 16871-60-6) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Cl6K2Os and a molecular weight of 481.145 g/mol. It is also known as Dipotassium hexachloroosmate, Dipotassium hexachloroosmate(2-) and Potassium hexachloroosmiate(IV). Key properties include a melting point of 600 °C (dec.)(lit.) and a density of 3.42 g/mL at 25 °C(lit.). GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16871-60-6
Jingsj CID
J-27521-7
Molecular Formula
Cl6K2Os
Chinese Name
六氯锇(IV)酸钾
Molecular Weight
481.145 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Point600 °C (dec.)(lit.)
Density3.42 g/mL at 25 °C(lit.)

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

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

The CAS number of Potassium hexachloroosmate(IV) is 16871-60-6.

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

Potassium hexachloroosmate(IV) has molecular formula Cl6K2Os and molecular weight 481.145 g/mol.

Is Potassium hexachloroosmate(IV) hazardous?

Potassium hexachloroosmate(IV) has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Potassium hexachloroosmate(IV) (CAS 16871-60-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27521-7 (accessed 2026-10-25).

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