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24304

Supelco

β-DEX™ 120

L × I.D. 30 m × 0.25 mm, df 0.25 μm

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About This Item

EC Number:
231-493-2
UNSPSC Code:
41115710
eCl@ss:
32119290
Pricing and availability is not currently available.

material

fused silica

Quality Level

100

description

GC capillary column

parameter

30-230 °C temperature

Beta value

250

df

0.25 μm

technique(s)

gas chromatography (GC): suitable

L × I.D.

30 m × 0.25 mm

matrix active group

non-bonded; 20% permethylated β-cyclodextrin in SPB-35 poly(35% phenyl/65% dimethylsiloxane) phase

application(s)

agriculture
chemicals and industrial polymers
cleaning products
clinical
cosmetics
environmental
flavors and fragrances
food and beverages
forensics and toxicology
life science and biopharma
personal care
pharmaceutical (small molecule)

column type

capillary chiral

separation technique

chiral

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General description

Capillary GC column is also known as open tubular column. The carrier gas flows through the central aperture and is unrestricted throughout the length of the column.[1]
The chiral stationary phase in β-DEX 120 columns contains permethylated β-cyclodextrin embedded in an intermediate polarity stationary phase. They are recommended for the enantiomeric separation of a wide range of chiral compounds (ketones, esters, alkanes, alkenes, alcohols, acids, ethers, etc.). The 10% (β-DEX 110) and 20% (β-DEX 120) β-cyclodextrin content alters the elution order while maintaining similar enantioselectivity.

Application

β -DEX™ 120 chiral capillary column was used for the GC analysis of chiral Bis(oxazolinylmethyl)amine ligand.[2]

Chem/Phys Resistance

Temp. Limits:
  • 30 °C to 230 °C

Other Notes

We offer a variety of chromatography accessories including analytical syringes

Legal Information

DEX is a trademark of Sigma-Aldrich Co. LLC

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
291137-08
291137-06
291137-05
291137-04
291137-03

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A new chiral bis (oxazolinylmethyl) amine ligand for Ru-catalyzed asymmetric transfer hydrogenation of ketones.
Yutong J
Journal of the American Chemical Society, 120 (15), 3817-3818 (1998)
Scott RPW.
Introduction to Analytical Gas Chromatography, 101-102 (1997)

Questions

1–4 of 4 Questions  

  1. Is the phase bonded for Product 24304, β-DEX™ 120 capillary column?

    1 answer

    1. No, the beta-DEX stationary phases are non-bonded.

      Helpful?

  2. What's the difference between Product 24304, β-DEX™ 120 and β-DEX™ 110?

    1 answer

    1. The stationary phase of the 110 is 10% permethylated while the 120 is 20% permethylated.

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  3. What is the Department of Transportation shipping information for this product?

    1 answer

    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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  4. What is the diameter of the column cage for Product 24304, β-DEX™ 120?

    1 answer

    1. The diameter of the column cage is 6in.

      Helpful?

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