β-DEX 225

CD Type: β (beta)
Derivative: Diacetyl
Phase: Non-bonded; 25% 2,3-di-O-acetyl-6-0-TBDMS-β-cyclodextrin embedded in SPB-20 poly(20% phenyl/80% dimethylsiloxane)
Temp. Limits: 30 °C to 230 °C (isothermal or programmed)

The chiral stationary phase in β-DEX 225 columns contains 2,3-di-O-acetyl-6-0-TBDMS-β-cyclodextrin embedded in an intermediate polarity phase. These columns provide unique selectivity for enantiomeric separations of small molecules: alcohols, aldehydes (e.g., 2-phenylpropionaldehyde), esters (e.g., methyl malate, methyl lactate), flavor compounds, and ketones.

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24348 β-DEX 225 L × I.D. 30 m × 0.25 mm, df 0.25 μm