1H,1H,2H,2H-Perfluorooctanephosphonic acid CAS 252237-40-4

Description

Compared with other compounds in its class, the molecular weight of 428.08 g/mol gives 1H,1H,2H,2H-Perfluorooctanephosphonic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1H,1H,2H,2H-Perfluorooctanephosphonic acid (CAS 252237-40-4), molecular formula C8H6F13O3P and molecular weight 428.08 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1H,1H,2H,2H-Perfluorooctanephosphonic acid (C8H6F13O3P) contains a phosphonate group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of -0.5, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 428.08 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), 1H,1H,2H,2H-Perfluorooctanephosphonic 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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