34440

α,α′-Dibromo-p-xylene

purum, ≥98.0% (GC)

• Synonym(s): 1,4-Bis(bromomethyl)benzene, p-Xylylene dibromide
• Linear Formula: C₆H₄(CH₂Br)₂
• CAS Number: 623-24-5
• Molecular Weight: 263.96
• UNSPSC Code: 12352100
• NACRES: NA.22
• PubChem Substance ID: 329754742
• EC Number: 210-781-1
• Beilstein/REAXYS Number: 1100019
• MDL number: MFCD00000182
• Assay: ≥98.0% (GC)
• Form: crystals

Properties

• grade: purum
• Quality Segment: 100
• assay: ≥98.0% (GC)
• form: crystals
• bp: 245 °C (lit.)
• mp: 143-145 °C (lit.)
• solubility: dioxane: soluble 1 g/10 mL (hot)
• functional group: bromo
• SMILES string: BrCc1ccc(CBr)cc1
• InChI: 1S/C8H8Br2/c9-5-7-1-2-8(6-10)4-3-7/h1-4H,5-6H2
• InChI key: RBZMSGOBSOCYHR-UHFFFAOYSA-N

Description

Application

α, α′-Dibromo-p-xylene may be used in the preparation of:

• third-generation bis(1-pyrazolyl)methane ligands
• 5,5′-[(p-phenyl­enedimethyl­ene)dithio]bis­(1-phen­yl-1H-1,2,3,4-tetra­zole)
• new bis 1,10-phenanthroline ligand (composed of two subunits of 7-(p-anisyl)-1,10-phenanthroline (phen) joined by p-(CH₂)₂C₆H₄(CH₂)₂ space groups at 4 positions), via Skraup synthesis
• stereoisomers of α,α′-bis[3-(N,N-diethylcarbamoyl)-piperidino]-p-xylene

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• 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