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HomeProduct name listα-Bromo-2,3,4,5,6-pentafluorotoluene

α-Bromo-2,3,4,5,6-pentafluorotoluene

Synonym(s):α-Bromo-2,3,4,5,6-pentafluorotoluene;(Bromomethyl)pentafluorobenzene;2,3,4,5,6-Pentafluorobenzyl bromide;PFB-Br

  • CAS NO.:1765-40-8
  • Empirical Formula: C7H2BrF5
  • Molecular Weight: 260.99
  • MDL number: MFCD00000299
  • EINECS: 217-182-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-04-23 16:18:34
α-Bromo-2,3,4,5,6-pentafluorotoluene Structural

What is α-Bromo-2,3,4,5,6-pentafluorotoluene?

Chemical properties

CLEAR COLOURLESS TO YELLOWISH LIQUID

The Uses of α-Bromo-2,3,4,5,6-pentafluorotoluene

Pentafluorobenzyl bromide (PFB-Br) is an alkylating reagent which can be used to modify hydroxyl groups, carboxyl groups, sulfhydryl groups, and amines.PFB-Br can also be used to measure nitrite and peroxynitrite.It is a versatile reagent.

The Uses of α-Bromo-2,3,4,5,6-pentafluorotoluene

2,3,4,5,6-Pentafluorobenzyl bromide is used as a reagent for derivatization of alcohols, carboxylic acids, sulfonamides for GC and polyfunctional thiols. It is used for the preparation of pentafluorobenzyl esters of organic acids for determination by capillary and GC. It is also used to derivatize N-7-substituted guanine adducts of DNA for determination by GC-electron capture-MS.

The Uses of α-Bromo-2,3,4,5,6-pentafluorotoluene

Learn more in the Product Information

Definition

ChEBI: Pentafluorobenzyl bromide is a member of the class benzyl bromides that is benzyl bromide in which the hydrogens at positions 2, 3, 4, 5 and 6 of the phenyl ring are replaced by fluoro groups. It is a versatile derivatization agent in chromatography and mass spectrometry. It is a member of benzyl bromides and a member of fluorobenzenes.

General Description

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

Properties of α-Bromo-2,3,4,5,6-pentafluorotoluene

Melting point: 19-20 °C(lit.)
Boiling point: 174-175 °C(lit.)
Density  1.728 g/mL at 25 °C(lit.)
refractive index  n20/D 1.471(lit.)
Flash point: 181 °F
storage temp.  Store below +30°C.
solubility  Chloroform (Soluble), Ethyl Acetate (Slightly), Methanol (Slightly)
form  Liquid
color  Clear colorless to yellow
Specific Gravity 1.728
Water Solubility  Hydrolyzes in water.
Sensitive  Lachrymatory
BRN  647808
CAS DataBase Reference 1765-40-8(CAS DataBase Reference)
NIST Chemistry Reference Benzene, (bromomethyl)pentafluoro-(1765-40-8)

Safety information for α-Bromo-2,3,4,5,6-pentafluorotoluene

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for α-Bromo-2,3,4,5,6-pentafluorotoluene

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