Potassium 2,5-dihydroxybenzene-1,4-disulfonate CAS 15763-57-2

Purity 97%+In StockPharmaceutical Standards
CAS No.15763-57-2
Molecular FormulaC6H4O8S2
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Potassium 2,5-dihydroxybenzene-1,4-disulfonate CAS 15763-57-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 307.31 g/mol gives Potassium 2,5-dihydroxybenzene-1,4-disulfonate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Potassium 2,5-dihydroxybenzene-1,4-disulfonate (CAS 15763-57-2), molecular formula C6H4O8S2K and molecular weight 307.31 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C6H4O8S2K, Potassium 2,5-dihydroxybenzene-1,4-disulfonate contains a carbohydrate-derived structure, a sulfone group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 307.31 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.

CATO manufactures Potassium 2,5-dihydroxybenzene-1,4-disulfonate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC6H4O8S2 2*K
Molecular Weight307.31 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1961
Sulfur Atoms2

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