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Search Acylation kit Macherey-Nagel GmbH & Co. KG (15128)

Macherey-Nagel GmbH & Co. KG (15128)

Acylation kit
For improved volatility, better thermal stability or low limit of detection in gas chromatography prerequisite: quantitative, rapid and reproducible formation of only on derivative halogen atoms introduced by derivatisation (e.g. trifluoroacetates) allow specific detection ...
Acylation kit
For improved volatility, better thermal stability or low limit of detection in gas chromatography prerequisite: quantitative, rapid and reproducible formation of only on derivative halogen atoms introduced by derivatisation (e.g. trifluoroacetates) allow specific detection (ECD) with the advantage of high sensitivity elution order and fragmentation patterns in MS can be influenced by a specific derivatisation.
Reagents for silylation - alkylation (methylation) - acylation are available.
Which is the proper reagent for acylation?
Test kit for determination of the optimum acylation.
PN Manuf. PN Supplier Content PK General Price Quantity Status Add
6207118 701950 Macherey-Nagel GmbH & Co. KG 2 x 1 ml each for MBTFA , TFAA, MBHFBA 1 204.41 EU Search Please contact us
Search Acylation reagents for GC - Anhydrides Macherey-Nagel GmbH & Co. KG (15131)

Macherey-Nagel GmbH & Co. KG (15131)

Acylation reagents for GC - Anhydrides
For improved volatility, better thermal stability or low limit of detection in gas chromatography prerequisite: quantitative, rapid and reproducible formation of only on derivative halogen atoms introduced by derivatisation (e.g. trifluoroacetates) ...
Acylation reagents for GC - Anhydrides
For improved volatility, better thermal stability or low limit of detection in gas chromatography prerequisite: quantitative, rapid and reproducible formation of only on derivative halogen atoms introduced by derivatisation (e.g. trifluoroacetates) allow specific detection (ECD) with the advantage of high sensitivity elution order and fragmentation patterns in MS can be influenced by a specific derivatisation.
Reagents for silylation - alkylation (methylation) - acylation are available.
Acylation with fluorinated acid anhydrides can be used for alcohols, phenols, carboxylic acids, amines, amino acids and steroids forming volatile, stable derivatives suited for FID as well as for ECD detection.

by-products of acylation with anhydrides: corresponding acids
excess reagent and the acid formed have to be removed

Heptafluorobutyric acid anhydride (HFBA)
m.w. 410.06, Bp 106 - 107°C (760mm Hg),
C3F7 - CO - O - CO - C3F7
density d20°/4° = 1.665
PN Manuf. PN Supplier Capacity~ml Description PK General Price Quantity Status Add
4001479 701110.110 Macherey-Nagel GmbH & Co. KG 10 HFBA 1 177.94 EU Search Please contact us
4001480 701110.201 Macherey-Nagel GmbH & Co. KG 1 HFBA 20 348.53 EU Search Please contact us
4001481 701110.510 Macherey-Nagel GmbH & Co. KG 10 HFBA 5 716.18 EU Search Please contact us
Search Acylation reagents for GC - Bisacylamides Macherey-Nagel GmbH & Co. KG (15132)

Macherey-Nagel GmbH & Co. KG (15132)

Acylation reagents for GC - Bisacylamides
For improved volatility, better thermal stability or low limit of detection in gas chromatography prerequisite: quantitative, rapid and reproducible formation of only on derivative halogen atoms introduced by derivatisation (e.g. trifluoroacetate...
Acylation reagents for GC - Bisacylamides
For improved volatility, better thermal stability or low limit of detection in gas chromatography prerequisite: quantitative, rapid and reproducible formation of only on derivative halogen atoms introduced by derivatisation (e.g. trifluoroacetates) allow specific detection (ECD) with the advantage of high sensitivity elution order and fragmentation patterns in MS can be influenced by a specific derivatisation.
Reagents for silylation - alkylation (methylation) - acylation are available.
Acylation with fluorinated acid amides is recommended for alcohols, primary and secondary amines as well as for thiols under mild, neutral conditions. MBTFA also forms very volatile derivatives with carbohydrates.

by-products: corresponding neutral acylamides, which can be easily removed due to their high volatility; because of neutral conditions and favourable chromatographic properties often removal of the bisacylamide is not necessary. Thus sample preparation is much more convenient.

MBTFA / MBHFBA
N-methyl-bis(trifluoroacetamide) MBTFA
m.w. 223.08, Bp 123 - 124°C (760mm Hg), density d20°/4° = 1.55,
CF3 - CO - N(CH3) - CO - CF3
PN Manuf. PN Supplier Capacity~ml Description PK General Price Quantity Status Add
6228605 701410.510 Macherey-Nagel GmbH & Co. KG 10 MBTFA 5 889.71 EU Search Please contact us
7401143 701410.201 Macherey-Nagel GmbH & Co. KG 1 MBTFA 20 457.35 EU Search Please contact us
7510796 701410.110 Macherey-Nagel GmbH & Co. KG 10 MBTFA 1 214.71 EU Search Please contact us
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