Sodium 6,7-Dihydroxynaphthalene-2-Sulfonate CAS 135-53-5

Description

Compared with other compounds in its class, the molecular weight of 262.21 g/mol gives Sodium 6,7-Dihydroxynaphthalene-2-Sulfonate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Sodium 6,7-Dihydroxynaphthalene-2-Sulfonate (CAS 135-53-5), molecular formula C10H7O5SNa and molecular weight 262.21 g/mol, is a CATO reference standard with documented purity and traceability.

Sodium 6,7-Dihydroxynaphthalene-2-Sulfonate (C10H7O5SNa) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), Sodium 6,7-Dihydroxynaphthalene-2-Sulfonate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

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