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Key Documents

194484

Sigma-Aldrich

O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride

≥98%

Synonym(s):

PFBHA·HCl

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About This Item

Linear Formula:
C6F5CH2ONH2·HCl
CAS Number:
Molecular Weight:
249.57
Beilstein:
4031190
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥98%

form

solid

mp

227 °C (subl.) (lit.)

solubility

water: soluble 50 mg/mL, clear to slightly hazy, colorless

functional group

fluoro

SMILES string

Cl.NOCc1c(F)c(F)c(F)c(F)c1F

InChI

1S/C7H4F5NO.ClH/c8-3-2(1-14-13)4(9)6(11)7(12)5(3)10;/h1,13H2;1H

InChI key

HVMVKNXIMUCYJA-UHFFFAOYSA-N

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Application

O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride is used:
  • In the preparation of oximes of steroids-bearing keto group.
  • As a derivatization reagent in the determination of thromboxane B2, prostaglandins, amygdalin, and a variety of aldehydes, ketones, and acids.
It is a versatile reagent used for the detection of carbonyl-containing compounds by GC, GC-MS, and other methods.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Vicente Ferreira et al.
Journal of chromatography. A, 1122(1-2), 255-265 (2006-05-20)
This work presents a thorough study of some aspects critical to the quantitative performance of methods for the determination of volatile aldehydes previously derivatized to pentafluorobenzyl hydroxylamine oximes. The conclusions of the study are further applied to the validation of
Raya Ahmed et al.
Cell reports, 33(11), 108501-108501 (2020-12-17)
A central paradigm in the field of lymphocyte biology asserts that replicatively senescent memory T cells express the carbohydrate epitope CD57. These cells nonetheless accumulate with age and expand numerically in response to persistent antigenic stimulation. Here, we use in vivo deuterium
Riccardo Flamini et al.
Journal of mass spectrometry : JMS, 40(12), 1558-1564 (2005-12-02)
A new method has been developed to determine acetaldehyde, 2,3-butanedione (diacetyl) and 3-hydroxy-2-butanone (acetoin) in wine by solid-phase microextraction (SPME) and positive ion chemical ionization GC/MS analysis of O-(2,3,4,5,6-pentafluorobenzyl)-hydroxylamine (PFBOA) derivatives. For SPME, a 65-microm PEG/DVB fibre was used; chemical
Petr Vesely et al.
Journal of agricultural and food chemistry, 51(24), 6941-6944 (2003-11-13)
A new, fast, sensitive, and solventless extraction technique was developed in order to analyze beer carbonyl compounds. The method was based on solid-phase microextraction with on-fiber derivatization. A derivatization agent, O-(2,3,4,5,6-pentafluorobenzyl)hydroxylamine (PFBOA), was absorbed onto a divinyl benzene/poly(dimethylsiloxane) 65-microm fiber
Chunhui Deng et al.
Journal of separation science, 28(2), 172-176 (2005-03-10)
A simple, rapid, sensitive, and solvent-free method was developed for determination of plant-signalling compounds, the three C6-aldehydes hexanal, (Z)-3-hexenal, and (E)-2-hexenal, in tomato plant emission by gas chromatography-mass spectrometry (GC-MS) and solid-phase microextraction (SPME) with on-fiber derivatization. In this method

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