125911

α,α′-Dibromo-m-xylene

97%

• Synonym(s): 1,3-Bis(bromomethyl)benzene, m-Xylylene dibromide
• Linear Formula: C₆H₄(CH₂Br)₂
• CAS Number: 626-15-3
• Molecular Weight: 263.96
• Beilstein/REAXYS Number: 971085
• EC Number: 210-931-6
• MDL number: MFCD00000178
• UNSPSC Code: 12352100
• PubChem Substance ID: 24847686
• NACRES: NA.22

Properties

• Quality Level: 200
• assay: 97%
• form: solid
• bp: 135-140 °C/20 mmHg (lit.)
• mp: 74-77 °C (lit.)
• functional group: bromo
• SMILES string: BrCc1cccc(CBr)c1
• InChI: 1S/C8H8Br2/c9-5-7-2-1-3-8(4-7)6-10/h1-4H,5-6H2
• InChI key: OXHOPZLBSSTTBU-UHFFFAOYSA-N

Description

General description

α,α′-Dibromo-m-xylene can cross-link and cyclize peptides containing two cysteine residues.

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Application

α,α′-Dibromo-m-xylene has been used in preparation of four novel dinuclear half-titanocenes with meta- and orthoxylene bridges as new metallocenes. It was used in the synthesis of dissymmetrical bis-macrocyclic salt.

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_germany: WGK 3
• ppe: dust mask type N95 (US), Eyeshields, Faceshields, Gloves