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Merck
CN

D44804

α,α′-Dibromo-p-xylene

97%

Synonym(s):

1,4-Bis(bromomethyl)benzene, p-Xylylene dibromide

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About This Item

Linear Formula:
C6H4(CH2Br)2
CAS Number:
623-24-5
Molecular Weight:
263.96
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24893876
EC Number:
210-781-1
Beilstein/REAXYS Number:
1100019
MDL number:
MFCD00000182
Assay:
97%
Form:
crystals

Key Documents

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InChI key

RBZMSGOBSOCYHR-UHFFFAOYSA-N

InChI

1S/C8H8Br2/c9-5-7-1-2-8(6-10)4-3-7/h1-4H,5-6H2

SMILES string

BrCc1ccc(CBr)cc1

assay

97%

form

crystals

bp

245 °C (lit.)

mp

143-145 °C (lit.)

Quality Level

100

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General description

α,α′-Dibromo-p-xylene, also known as p-xylylene dibromide, is an aliphatic dihalide that serves as a versatile intermediate in organic reactions, including the synthesis of aromatic ionene polymers and dual-site phase-transfer catalysts.

Application

α,α′-Dibromo-p-xylene can be used as a building block to synthesize:      
  • Phthalazinone derivatives, which are reported as potent inhibitors of phosphodiesterase 4.    
  • N-Phenylated polyamine via polycondensation reaction with aniline and α, α′-dianilino-p-xylene.     
  • Porous polymeric network (PPN) via a Friedel-Crafts alkylation reaction with triphenylamine using FeCl3 as an oxidizing agent.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
WXBF7787V
WXBF4432V
WXBF1748V
WXBF1131V
WXBF0921

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