Description

1,1-Dibromo-2-Ethynyl-2-Methylcyclopropane is a specialized, high-value cyclopropane derivative featuring both dibromo and ethynyl functional groups. This unique bifunctional structure makes it a versatile and critical advanced synthetic intermediate for constructing complex molecular architectures. It is primarily sought after by research and development chemists in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those requiring cyclopropane rings for conformational constraint or metabolic stability.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where the reactive bromine and alkyne groups enable diverse chemical modifications.
• Material Science Research: Acts as a precursor for specialty polymers or functional materials, leveraging the ethynyl group for cross-linking or polymerization reactions (e.g., click chemistry).
• Organic Synthesis Reagent: Employed in academic and industrial R&D for cyclopropanation reactions and as a substrate for palladium-catalyzed cross-coupling (Sonogashira) reactions.
• Ligand and Catalyst Development: Utilized to create novel chelating ligands or organometallic complexes for catalytic applications.
• Fine Chemical Production: Incorporated into the multi-step synthesis of complex fragrance or flavor molecules requiring specific three-dimensional structures.

Basic Information

Product Name	1,1-Dibromo-2-Ethynyl-2-Methylcyclopropane
CAS No.	2566-04-3
Molecular Formula	C6H6Br2
Molecular Weight	245.92 g/mol
Synonyms	1,1-Dibromo-2-ethynyl-2-methylcyclopropane; 2-Ethynyl-2-methyl-1,1-dibromocyclopropane; 2-Methyl-2-ethynyl-1,1-dibromocyclopropane; Cyclopropane, 1,1-dibromo-2-ethynyl-2-methyl-; DBEMCP
EINECS	Contact for details

Quality Control

Our 1,1-Dibromo-2-Ethynyl-2-Methylcyclopropane is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity, purity, and the absence of critical impurities. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring full traceability and compliance with your research or production specifications.

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 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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