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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

Acylation reagents for GC - Anhydrides

Acylation reagents for GC - Anhydrides



Macherey-Nagel Acylation reagent HFBA 1ml UN 3316 701110.201
PART NO.4AJ-4001480
14182||36438||14898
Description||Capacity||PK
HFBA||1 ml||20
Macherey-Nagel
701110.201
MANA701110.201

Acylation reagents

GC acylation reagents, HFBA

0
6
0
1
Out of Stock
Macherey-Nagel Acylation reagent HFBA 1x10ml UN 3316 701110.110
PART NO.4AJ-4001479
14182||36438||14898
Description||Capacity||PK
HFBA||10 ml||1
Macherey-Nagel
701110.110
MANA701110.110

Acylation reagents

GC acylation reagents, HFBA

0
6
1
1
List Price: €141.25
Out of Stock
Macherey-Nagel Acylation reagent HFBA 10ml UN 3316 701110.510
PART NO.4AJ-4001481
14182||36438||14898
Description||Capacity||PK
HFBA||10 ml||5
Macherey-Nagel
701110.510
MANA701110.510

Acylation reagents

GC acylation reagents, HFBA

0
6
2
1
List Price: €550.43
Out of Stock

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