2751-90-8 Tetraphenylphosphonium bromide Phosphonium, tetraphenyl-, bromide (1:1) Phosphonium, tetraphenyl-, bromide EINECS 220-393-4 CAS 2751-90-8

Description

As a certified reference material (CRM), 2751-90-8 Tetraphenylphosphonium bromide Phosphonium, tetraphenyl-, bromide (1:1) Phosphonium, tetraphenyl-, bromide EINECS 220-393-4 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.

CATO supplies 2751-90-8 Tetraphenylphosphonium bromide Phosphonium, tetraphenyl-, bromide (1:1) Phosphonium, tetraphenyl-, bromide EINECS 220-393-4 (CAS 2751-90-8), a certified reference material (molecular formula C24H44PBr, MW 443.49 g/mol) for analytical method development and quality control.

Structurally, 2751-90-8 Tetraphenylphosphonium bromide Phosphonium, tetraphenyl-, bromide (1:1) Phosphonium, tetraphenyl-, bromide EINECS 220-393-4 (C24H44PBr) contains organophosphorus functionality, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.5, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 443.49 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.

Physical & Chemical Properties

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