(2E)-1,4-Dibromo-2-butene

• CAT Number: R060929
• CAS Number: 821-06-7
• Molecular Formula: C4H6Br2
• Molecular Weight: 213.91
• Purity: ≥95%
• Synonyms: (E)1,4-Dibromo-2-butene; Trans-1,4-dibromo-2-Butene; (2E)-1,4-Dibromo-2-butene; (E)-1,4-Dibromo-2-butene; (E)-1,4-Dibromo-2-butene; 1,4-Dibromo-(E)-2-butene; 1,4-Dibromo-2-(E)-butene; 1,4-Dibromo-trans-2-butene; trans-1,4-Dibromo-2-butene
• Storage: Desiccate at RT
• IUPAC Name: (E)-1,4-dibromobut-2-ene
• InChI: InChI=1S/C4H6Br2/c5-3-1-2-4-6/h1-2H,3-4H2/b2-1+
• InChIKey: RMXLHIUHKIVPAB-OWOJBTEDSA-N
• SMILES: C(C=CCBr)Br

(2E)-1,4-Dibromo-2-butene(CAT: R060929) is a halogenated alkene featuring two terminal bromine atoms and a central trans-configured double bond. This compound serves as a versatile synthetic intermediate in organic chemistry, particularly in the development of polymers, cross-linking agents, and functionalized small molecules. Its reactive allylic and vinylic bromide groups enable a range of transformations, including substitution, coupling, and cyclization reactions. The (E)-configuration across the double bond imparts defined stereochemistry, which is useful for controlling structural outcomes in advanced synthesis.