Rhodizonic acid dipotassium salt

玫瑰红酸二钾

Also known as: Dipotassium rhodizonate, Potassium rhodizonate, Dipotassium 3,4,5,6-tetraoxo-1-cyclohexene-1,2-diolate, Dipotassium 3,4,5,6-tetraoxocyclohex-1-ene-1,2-diolate, 5,6-Dihydroxy-5-cyclohexene-1,2,3,4-tetrone dipotassium salt, 5-Cyclohexene-1,2,3,4-tetrone, 5,6-dihydroxy-, dipotassium salt, Rhodizonic acid potassium salt

Rhodizonic acid dipotassium salt (CAS 13021-40-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6K2O6 and a molecular weight of 246.257 g/mol. It is also known as Dipotassium rhodizonate, Potassium rhodizonate and Dipotassium 3,4,5,6-tetraoxo-1-cyclohexene-1,2-diolate. Key properties include a melting point of >300 °C(lit.), a boiling point of 346.7ºC at 760 mmHg, a density of 2.246 g/cm3 and a flash point of 177.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13021-40-4
Jingsj CID
J-1159111-9
Molecular Formula
C6K2O6
Chinese Name
玫瑰红酸二钾
Molecular Weight
246.257 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>300 °C(lit.)
Boiling Point346.7ºC at 760 mmHg
Density2.246 g/cm3
Flash Point177.7ºC

Frequently Asked Questions

What is the CAS number of Rhodizonic acid dipotassium salt?

The CAS number of Rhodizonic acid dipotassium salt is 13021-40-4.

What are the molecular formula and molecular weight of Rhodizonic acid dipotassium salt?

Rhodizonic acid dipotassium salt has molecular formula C6K2O6 and molecular weight 246.257 g/mol.

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

Last updated:

How to cite: Jingsj. "Rhodizonic acid dipotassium salt (CAS 13021-40-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1159111-9 (accessed 2026-10-25).

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