Skip to main content

Rhodizonic acid

Also known as: 1,2-Dihydroxy-3,4,5,6-tetraoxocyclohexene, 5,6-Dihydroxy-1,2,3,4-benzodiquinone, 5,6-dihydroxy-5-cyclohexene-1,2,3,4-tetrone, 5,6-dihydroxy-5-cyclohexen-1,2,3,4-tetraone, Einecs 204-276-5, MFCD00149072

Rhodizonic acid (CAS 118-76-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H2O6 and a molecular weight of 170.07600 g/mol. Key properties include a melting point of 255-257ºC, a boiling point of 346.7ºC at 760mmHg, a density of 2.246g/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.
118-76-3
Jingsj CID
J-6537-2
Molecular Formula
C6H2O6
Molecular Weight
170.07600 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point255-257ºC
Boiling Point346.7ºC at 760mmHg
Density2.246g/cm3
Flash Point177.7ºC
Exact Mass169.98500
PSA108.74000
Vapor Pressure3.5E-06mmHg at 25°C

Customs & Trade Information

HS Code2914400090
Summary2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Rhodizonic acid?

The CAS number of Rhodizonic acid is 118-76-3.

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

Rhodizonic acid has molecular formula C6H2O6 and molecular weight 170.07600 g/mol.

What are the upstream and downstream products of Rhodizonic acid?

For Rhodizonic acid, Upstream Products: Tetrahydroxyquinone, Inositol, Rhodizonic acid dihydrate; Downstream Products: Croconic acid, Tetrahydroxyquinone, Methyl DL-mandelate.

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

Last updated:

How to cite: Jingsj. "Rhodizonic acid (CAS 118-76-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6537-2 (accessed 2026-11-09).

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