Reagents for Alkylation & Esterification

Alkylation is the replacement of the active hydrogen in R-COOH, R-OH, R-SH, R-NH, R-NH2, R-CONH2, R-CONH-R′ with an alkyl group, or sometimes an aryl group. Esterification is the first choice for derivatization of carboxylic acids and other acidic functional groups. Acids are reactive compounds, and are too polar to be well separated by gas chromatography; underivatized acids tend to tail because of adsorption and non-specific interactions with the column.

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91379 Boron trichloride solution 12% in methanol, for GC derivatization
83253 Boron trifluoride - 1-butanol solution ~10% in 1-butanol (∼1.3 M), for GC derivatization
05576 Boron trifluoride-ethanol ~10% in ethanol (~1.3 M), for GC derivatization
15716 Boron trifluoride-methanol solution ~10% (~1.3 M), for GC derivatization
D141208 2-Chloro-N,N-dimethylethylamine hydrochloride 99%
69534 Derivatizing agents, Set for GC: Alcohols with boron trifluoride for GC derivatization
D28000 Diazald® 99%
17403 2,3-Dihydroxy-biphenyl for GC derivatization, ≥98.0%
395005 N,N-Dimethylformamide di-tert-butyl acetal for GC derivatization
394963 N,N-Dimethylformamide dimethyl acetal for GC derivatization
394998 N,N-Dimethylformamide dipropyl acetal for GC derivatization
49497 Dimethyl sulfate for GC derivatization, ≥99.0% (GC)
43504 O-Ethylhydroxylamine hydrochloride for GC derivatization
52517 1,1,1,3,3,3-Hexafluoro-2-propanol for GC derivatization, ≥99.8%
07607 Hydrogen chloride solution 0.5 M in methanol, for GC derivatization
90964 Hydrogen chloride solution 3 M in methanol, for GC derivatization
17934 Hydrogen chloride – ethanol solution ~1.25 M HCl, for GC derivatization
17935 Hydrogen chloride – methanol solution ~1.25 M HCl, for GC derivatization
17933 Hydrogen chloride – 2-propanol solution ~1.25 M HCl (T), for GC derivatization
89803 Methoxyamine hydrochloride for GC derivatization, 97.5-102.5% (AT) New
18503 Methyl trifluoromethanesulfonate for GC derivatization, 98.0%
90257 2,3,4,5,6-Pentafluorobenzyl bromide for GC derivatization, ≥98.5% (GC)
76735 O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride for GC derivatization, ≥99.0% (AT)
79879 2,2,3,3,3-Pentafluoro-1-propanol for GC derivatization, ≥98.5% (GC)
41062 Sodium tetrapropylborate for GC derivatization, ≥90.0% (T)
79266 Trimethylphenylammonium hydroxide solution ~0.5 M (CH3)3N(OH)C6H5 in methanol, for GC derivatization
362832 (Trimethylsilyl)diazomethane solution 2.0 M in hexanes
92732 Trimethylsulfonium hydroxide solution ~0.25 M in methanol, for GC derivatization