Sodium rhodizonate, GR 99%+

Name: Sodium rhodizonate, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-011590

About Sodium rhodizonate, GR 99%+

Sodium rhodizonate (CAS 523-21-7) is an organic building block offered by Vaqora Chemicals in AR grade at a purity of ≥99%. The compound has the formula C6Na2O6, corresponding to a molecular weight of 214.04 g/mol. Systematically, it is named disodium, 3,4,5,6-tetraoxocyclohexene-1,2-diolate. It is also known as Rhodizonic acid disodium salt or rhodizonic acid, sodium salt.

It is supplied as black to grey to violet powder or crystals. Key physical data: a melting point of above 300 °C. Keep the container tightly sealed and store it in a cool, dry area. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is commonly used for analytical determinations and indicator for titrations. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 1 g, 5 g, 10 g and 100 g packs, Sodium rhodizonate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical determinations
Indicator for titrations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium rhodizonate, GR 99%+
Catalogue No.	VQ-011590
CAS Number	523-21-7
IUPAC name	disodium;3,4,5,6-tetraoxocyclohexene-1,2-diolate
Molecular formula	C₆Na₂O₆
Molecular weight	214.04 g/mol
Exact mass	213.949
Grade	AR
Purity / assay	≥99%
HSN code	29143990
InChIKey	SXWPCWBFJXDMAI-UHFFFAOYSA-L
SMILES	C1(=C(C(=O)C(=O)C(=O)C1=O)[O-])[O-].[Na+].[Na+]
PubChem CID	68225

Physical properties
Physical form	Crystalline
Appearance	Black to grey to violet powder or crystals
Melting point	>300 °C
H-bond donors / acceptors	0 / 6
TPSA	114 Å²
Synonyms	3,4,5,6-Tetraoxocyclohexene-1,2-diol disodium salt, Rhodizonic acid disodium salt, 5-Cyclohexene-1,2,3,4-tetrone, 5,6-dihydroxy-, disodium salt, rhodizonic acid, sodium salt, rhodizonic acid sodium salt, Sodium 3,4,5,6-tetraoxocyclohex-1-ene-1,2-bis(olate), Disodium 3,4,5,6-tetraoxocyclohex-1-en-1,2-ylene dioxide, Sodium rhodizonate dibasic, C6Na2O6, Disodium 3,4,5,6-tetraoxocyclohex-1-ene-1,2-bis(olate)

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Sodium rhodizonate, GR 99%+?

The CAS Registry Number of Sodium rhodizonate, GR 99%+ is 523-21-7. It is also known as 3,4,5,6-Tetraoxocyclohexene-1,2-diol disodium salt, Rhodizonic acid disodium salt, 5-Cyclohexene-1,2,3,4-tetrone, 5,6-dihydroxy-, disodium salt.

What is the molecular formula and molecular weight of Sodium rhodizonate, GR 99%+?

Sodium rhodizonate, GR 99%+ has the molecular formula C6Na2O6 and a molecular weight of 214.04 g/mol.

Which grade and pack sizes of Sodium rhodizonate, GR 99%+ can I order?

We supply Sodium rhodizonate, GR 99%+ in AR (≥99%) grade, in 1 g, 5 g, 10 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium rhodizonate, GR 99%+?

Yes. Every lot of Sodium rhodizonate, GR 99%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Sodium rhodizonate, GR 99%+ be shipped internationally?

Yes. We export Sodium rhodizonate, GR 99%+ worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.