Tributyl-n-octylphosphonium Bromide CAS 57702-65-5

Purity 97%+In StockPharmaceutical Standards
CAS No.57702-65-5
Molecular FormulaC20H44P
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Tributyl-n-octylphosphonium Bromide CAS 57702-65-5 chemical structure

Description

As a certified reference material (CRM), Tributyl-n-octylphosphonium Bromide 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.

Tributyl-n-octylphosphonium Bromide (CAS 57702-65-5), molecular formula C20H44PBr and molecular weight 395.45 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of Tributyl-n-octylphosphonium Bromide (C20H44PBr) is characterized by organophosphorus functionality, bromine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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

Molecular FormulaC20H44P Br
Molecular Weight395.45 g/mol
Purity97%+
StorageStore at room temperature
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)-1.5
CAS Registry Year (est.)1973
Halogen ContentBr-containing

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