4,5-dihydroxybenzene-1,2-dicarboxylic acid CAS 63958-66-7

Description

Compared with other compounds in its class, the molecular weight of 198.13 g/mol gives 4,5-dihydroxybenzene-1,2-dicarboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4,5-dihydroxybenzene-1,2-dicarboxylic acid (CAS 63958-66-7) is a high-purity analytical reference standard with the molecular formula C8H6O6 and a molecular weight of 198.13 g/mol.

Based on its molecular formula C8H6O6, 4,5-dihydroxybenzene-1,2-dicarboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 198.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 4,5-dihydroxybenzene-1,2-dicarboxylic acid 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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