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: 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
• greener alternative product score: old score: 10; new score: 6; Find out more about DOZN™ Scoring
• greener alternative product characteristics: Waste Prevention; Atom Economy; Safer Solvents and Auxiliaries; Learn more about the Principles of Green Chemistry.
• sustainability: Greener Alternative Product
• bp: 135-140 °C/20 mmHg (lit.)
• mp: 74-77 °C (lit.)
• functional group: bromo
• greener alternative category: Re-engineered
• 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.

We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives. This product belongs to category of Re-engineered products, showing key improvements in Green Chemistry Principles “Waste Prevention”, “Atom Economy” and “Safer Solvents and Auxiliaries”. Click here to view its DOZN scorecard.

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
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: 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 Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves