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  6. Rhodizonic acid disodium salt, 98%, Thermo Scientific Chemicals

Rhodizonic acid disodium salt, 98%, Thermo Scientific Chemicals

Product Code. 11413167
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Quantity:
5 g
25 g
100 g
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Description

CAS: 523-21-7 | C6Na2O6 | 214.04 g/mol

Determining sulfate radical by barium chloride titration with rhodizonic acid disodium salt test paper as indicator has been established. Staining of thin sections for quick identification of quartz, potash feldspar and plagioclase is usually done with sodium hexanitrocobaltate (III) and rhodizonic acid disodium salt. N-allyl-N?-(sodium p-phenyl-sulfonate)thiourea is used for eliminating the interference of Ag +?Au 3+?Hg 2+in the identification of Sr 2+ using Rhodizonic acid disodium salt.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Determining sulfate radical by barium chloride titration with rhodizonic acid disodium salt test paper as indicator has been established. Staining of thin sections for quick identification of quartz, potash feldspar and plagioclase is usually done with sodium hexanitrocobaltate (III) and rhodizonic acid disodium salt. N-allyl-N′-(sodium p-phenyl-sulfonate)thiourea is used for eliminating the interference of Ag +?Au 3+?Hg 2+in the identification of Sr 2+ using Rhodizonic acid disodium salt.

Solubility
Soluble in water.

Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 523-21-7
Molecular Formula C6Na2O6
Molecular Weight (g/mol) 214.04
MDL Number MFCD00001650
InChI Key SXWPCWBFJXDMAI-UHFFFAOYSA-L
Synonym sodium rhodizonate, sodium 3,4,5,6-tetraoxocyclohex-1-ene-1,2-bis olate, rhodizonic acid disodium salt, unii-9qf0329l3g, rhodizonic acid sodium salt, rhodizonic acid, disodium salt, disodium 3,4,5,6-tetraoxocyclohexene-1,2-diolate, 3,4,5,6-tetraoxocyclohexene-1,2-diol disodium salt, disodium tetraoxocyclohex-1-ene-1,2-bis olate, dipotassium tetraoxocyclohex-1-ene-1,2-bis olate
PubChem CID 68225
IUPAC Name disodium;3,4,5,6-tetraoxocyclohexene-1,2-diolate
SMILES [Na+].[Na+].[O-]C1=C([O-])C(=O)C(=O)C(=O)C1=O

Specifications

Melting Point >300°C
Odor Odorless
Quantity 5 g
Beilstein 5181379
Merck Index 14,8670
Solubility Information Soluble in water.
Formula Weight 214.04
Percent Purity 98%
Chemical Name or Material Rhodizonic acid disodium salt

RUO – Research Use Only

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