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33001

Supelco

pentafluorobenzyl bromide (PFB-Br)

analytical standard

Synonym(s):

2,3,4,5,6-Pentafluorobenzyl bromide, α-Bromo-2,3,4,5,6-pentafluorotoluene, (Bromomethyl)pentafluorobenzene

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About This Item

Linear Formula:
C6F5CH2Br
CAS Number:
Molecular Weight:
260.99
Beilstein:
647808
EC Number:
MDL number:
UNSPSC Code:
41116105
PubChem Substance ID:

grade

analytical standard
for GC derivatization

description

Alkylation reagent

reaction suitability

reagent type: derivatization reagent
reaction type: Alkylations

reagent type: derivatization reagent
reaction type: Esterifications

packaging

ampule of 5 g

technique(s)

gas chromatography (GC): suitable (ECD)

refractive index

n20/D 1.471 (lit.)

bp

174-175 °C (lit.)

mp

19-20 °C (lit.)

density

1.728 g/mL at 25 °C (lit.)

SMILES string

Fc1c(F)c(F)c(CBr)c(F)c1F

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General description

Pentafluorobenzyl bromide (PFB-Br) is a derivatization reagent. Excess reagent may be removed by reaction with an aminophenol.[1] It is an alkylation reagent suitable for electron capture detector (ECD) detection. It is also a lachrymator.[2]

Application

It is used for the analysis of D2/E2-isoprostanes using negative ion chemical ionization-gas chromatography/mass spectrometry (NICI-GC/MS).[3] Fatty acids may be converted to pentafluorobenzyl esters using PFG-Br and diisopropylethylamine during determination of fatty acids using NICI-GC/MS.[4]

Other Notes

Reagent for pentafluorobenzyl ester.

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Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

181.4 °F - closed cup

Flash Point(C)

83 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

33001:


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    The Journal of nutrition, 130(8), 1925-1931 (2000-08-05)
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