Potassium hexahydroxoantimonate(V)

焦锑酸钾

Also known as: Potassium antimonate(V), Potassium pyroantimonate, Potassium hexahydroxyantimonate(V), Potassium hexahydroxyantimonate(1-), Potassium antimonate,hydrated, Potassium antimony hydroxide (KSb(OH)6), Antimonate(1-), hexahydroxy-, potassium (1:1)

Potassium hexahydroxoantimonate(V) (CAS 12208-13-8) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H6KO6Sb and a molecular weight of 262.902 g/mol. It is also known as Potassium antimonate(V), Potassium pyroantimonate and Potassium hexahydroxyantimonate(V). Key properties include a melting point of 240 °C (dec.)(lit.) and a boiling point of 100ºC at 760 mmHg. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 12208-13-8
Jingsj CID: J-1991149-4
Molecular Formula: H₆KO₆Sb
Chinese Name: 焦锑酸钾
Molecular Weight: 262.902 g/mol
Category: Inorganic Chemicals
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	240 °C (dec.)(lit.)
Boiling Point	100ºC at 760 mmHg

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning

Frequently Asked Questions

What is the CAS number of Potassium hexahydroxoantimonate(V)?

The CAS number of Potassium hexahydroxoantimonate(V) is 12208-13-8.

What are the molecular formula and molecular weight of Potassium hexahydroxoantimonate(V)?

Potassium hexahydroxoantimonate(V) has molecular formula H6KO6Sb and molecular weight 262.902 g/mol.

Is Potassium hexahydroxoantimonate(V) hazardous?

Potassium hexahydroxoantimonate(V) 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. "Potassium hexahydroxoantimonate(V) (CAS 12208-13-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991149-4 (accessed 2026-10-25).

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