Butylphosphonic Dichloride CAS 2302-80-9

Purity 97%+In StockPharmaceutical Standards
CAS No.2302-80-9
Molecular FormulaC4H9Cl2OP
Molecular Weight174.99 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Butylphosphonic Dichloride CAS 2302-80-9 chemical structure

Description

Butylphosphonic Dichloride (CAS 2302-80-9) is a high-purity analytical reference standard with the molecular formula C4H9Cl2OP and a molecular weight of 174.99 g/mol.

Structurally, Butylphosphonic Dichloride (C4H9Cl2OP) contains organophosphorus functionality, a hydroxyl group, an ether linkage, chlorine 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 174.99 g/mol, it falls into the medium-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 FormulaC4H9Cl2OP
Molecular Weight174.99 g/mol
Purity97%+
StorageStore at 2-8°C, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)-0.5
CAS Registry Year (est.)1957
Halogen ContentCl-containing

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