Description

1,1-Bicyclopropyl, 1,1-Diethynyl- (9Ci) is a specialized organic compound featuring a unique bicyclopropyl core with terminal ethynyl groups, making it a valuable building block in advanced synthetic chemistry. Its rigid, strained structure and reactive alkyne functionalities are critical for constructing complex molecular architectures and novel materials. This high-purity intermediate is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors, as well as by material scientists working on advanced polymers and ligands.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for constructing complex, three-dimensional scaffolds.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, and insecticides, where its unique structure can contribute to new modes of action.
• Material Science Research: Acts as a precursor for advanced polymeric materials, dendrimers, and metal-organic frameworks (MOFs) due to its ability to form rigid, cross-linked networks.
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands for catalysis, leveraging the reactivity of its ethynyl groups for coordination chemistry.
• Academic and Industrial R&D: A crucial reagent for methodological studies in organic synthesis, including cycloaddition reactions and C-H activation protocols.

Basic Information

Product Name	1,1-Bicyclopropyl, 1,1-Diethynyl- (9Ci)
CAS No.	133191-23-8
Molecular Formula	C8H6
Molecular Weight	102.14 g/mol
Synonyms	1,1-Diethynylbicyclopropane; Bicyclopropane-1,1-diylbis(ethyne); 1,1-Bis(ethynyl)bicyclopropane; 1,1-Diethynylbicyclo[1.1.0]butane; 1,1-Bicyclopropyl-1,1-diylbis(ethyne); 1,1-Bis(ethynyl)bicyclo[1.1.0]butane; 1,1-Diethynyl-1,1-bicyclopropyl
EINECS	Contact for details

Quality Control

Our 1,1-Bicyclopropyl, 1,1-Diethynyl- (9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical characterization, including NMR, GC-MS, and HPLC analysis, to confirm identity and purity. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound may be sensitive to prolonged exposure to air and moisture; it is recommended to store under an inert atmosphere such as nitrogen or argon for long-term stability.

Specification

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

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