(2-Hydroxyphenyl)phosphonic acid CAS 53104-46-4

Purity 97%+In StockPharmaceutical Standards
CAS No.53104-46-4
Molecular FormulaC6H7O4P
Molecular Weight174.09 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2-Hydroxyphenyl)phosphonic acid CAS 53104-46-4 chemical structure

Description

The occurrence of (2-Hydroxyphenyl)phosphonic acid is closely related to a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies (2-Hydroxyphenyl)phosphonic acid (CAS 53104-46-4), a certified reference material (molecular formula C6H7O4P, MW 174.09 g/mol) for analytical method development and quality control.

Structurally, (2-Hydroxyphenyl)phosphonic acid (C6H7O4P) contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 174.09 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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 (2-Hydroxyphenyl)phosphonic acid 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 FormulaC6H7O4P
Molecular Weight174.09 g/mol
Purity97%+
StorageStore at 2-8°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)3.5
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1972

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