2,3,4,5,6-Pentafluorobenzyl bromide

CAS 1765-40-8C6F5CH2BrChemical Synthesis

2,3,4,5,6-Pentafluorobenzyl bromide (CAS: 1765-40-8), with the molecular formula C6F5CH2Br and a molecular weight of 260.99 g/mol, is a highly fluorinated organic compound. This aryl halide serves as a crucial building block in chemical synthesis and is notably employed as a derivatizing agent for the gas chromatographic analysis of polyfunctional thiols. Tech Serve Solutions offers this chemical for research and development purposes.

IUPAC: α-Bromo-2,3,4,5,6-pentafluorotoluene,(Bromomethyl)pentafluorobenzene
Synonyms: 5,6-Pentafluorobenzyl bromideC6F5CH2Brα-Bromo-2,3,4,5,6-pentafluorotoluene(Bromomethyl)pentafluorobenzene

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2,3,4,5,6-Pentafluorobenzyl bromide (C6F5CH2Br) — chemical structure, CAS 1765-40-8; Chemistry, fine chemical supplied by Tech Serve Solutions

ArylBuilding BlocksChemical SynthesisFluorinated Building BlocksHalogenated HydrocarbonsOrganic Building Blocks

01 /Applications

Derivatizing Agent for GC Analysis

2,3,4,5,6-Pentafluorobenzyl bromide is specifically utilised as a derivatizing agent for the gas chromatographic analysis of polyfunctional thiols. This application enhances the detectability and separation of these compounds.

Fluorinated Building Block

As a key fluorinated building block, this compound is valuable in organic synthesis. Its pentafluorobenzyl group can be incorporated into more complex molecules, contributing unique electronic and steric properties.

Chemical Synthesis Intermediate

This compound serves as an intermediate in various chemical synthesis pathways. The reactive benzylic bromide functionality allows for nucleophilic substitution reactions, enabling the formation of new carbon-heteroatom or carbon-carbon bonds.

02 /Properties

Molecular weight	260.99
Linear formula	C6F5CH2Br
Assay	≥99.0% (GC)
Boiling point	174-175 °C(lit.)
Density	1.728 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.471(lit.)n20/D 1.471
Application	Derivatizing agent for GC analysis of polyfunctional thiols.1
Melting point	19-20 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES
P310Immediately call a POISON CENTER or doctor

Protective equipment	Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	83 °C / 181.4 °F
Transport (UN / ADR)	UN 3265 8 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	C
Risk statements (R)	34
Safety statements (S)	26-36/37/39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

1765-40-8

MDL number

MFCD00000299

PubChem substance

24846531

Beilstein registry

647808

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 2,3,4,5,6-Pentafluorobenzyl bromide used for?

2,3,4,5,6-Pentafluorobenzyl bromide (CAS: 1765-40-8) is primarily used as a derivatizing agent for the gas chromatographic analysis of polyfunctional thiols and as a building block in chemical synthesis.

What are the CAS number and molecular formula?

The CAS number for 2,3,4,5,6-Pentafluorobenzyl bromide is 1765-40-8, and its molecular formula is C6F5CH2Br.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 2,3,4,5,6-Pentafluorobenzyl bromide with a purity of ≥99.0% (GC). We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated.

How should 2,3,4,5,6-Pentafluorobenzyl bromide be handled?

2,3,4,5,6-Pentafluorobenzyl bromide is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including full-face respirators, chemical-resistant gloves, and eye protection, must be used. Handle in a well-ventilated area, preferably a fume hood.

How is this chemical packed and exported?

Tech Serve Solutions packs and exports chemicals in compliance with international regulations, ensuring safe transit. Specific packaging details are available upon request for different shipping destinations.

How can I request a sample or quote?

To request a sample or a quotation for 2,3,4,5,6-Pentafluorobenzyl bromide, please use the contact form on our website or reach out to our sales department directly.