Description

1,1-Dibromo-2-Ethenylcyclopropane is a specialized brominated cyclopropane derivative that serves as a versatile and reactive synthetic intermediate. Its unique structure, featuring both a cyclopropane ring and a vinyl group, makes it a valuable building block for constructing complex molecular frameworks in advanced organic synthesis. This compound is primarily sought after by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those requiring cyclopropane or spirocyclic motifs.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where the dibromo and ethenyl groups offer sites for further functionalization.
• Material Science Research: Employed in the development of advanced polymers and functional materials with unique properties derived from the strained cyclopropane ring.
• Organic Synthesis Reagent: Serves as a precursor for cyclopropanation reactions and for introducing bromine atoms and vinyl functionality into target molecules.
• Chemical Biology Probes: Utilized in the creation of molecular probes and tags for studying biological systems and mechanisms.

Basic Information

Product Name	1,1-Dibromo-2-Ethenylcyclopropane
CAS No.	5398-65-2
Molecular Formula	C5H6Br2
Molecular Weight	225.91 g/mol
Synonyms	1,1-Dibromo-2-vinylcyclopropane; 2-Ethenyl-1,1-dibromocyclopropane; Cyclopropane, 1,1-dibromo-2-ethenyl-; Vinylcyclopropane, 1,1-dibromo-; 5398-65-2; 1,1-Dibromo-2-vinyl-cyclopropane
EINECS	Contact for details

Quality Control

Our 1,1-Dibromo-2-Ethenylcyclopropane is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for research and development applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, identity, and impurity profiles. Our quality systems are designed to support cGMP requirements for pharmaceutical development, and we can accommodate custom purity specifications upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is between 2°C and 8°C for long-term stability. Allow the container to reach ambient temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.