1-Bromo-1-fluoroethylene CAS 420-25-7

Purity 97%+In StockPharmaceutical Standards
CAS No.420-25-7
Molecular FormulaC2H2BrF
Molecular Weight124.94 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Bromo-1-fluoroethylene CAS 420-25-7 chemical structure

Description

The occurrence of 1-Bromo-1-fluoroethylene is closely related to fluorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1-Bromo-1-fluoroethylene (CAS 420-25-7), molecular formula C2H2BrF and molecular weight 124.94 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1-Bromo-1-fluoroethylene (C2H2BrF) contains fluorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 124.94 g/mol, it falls into the low-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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC2H2BrF
Molecular Weight124.94 g/mol
Purity97%+
StorageStore at 2-8°C, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1957
Halogen ContentF/Br-containing

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Why CATO?