Description

Benzene, 1-Ethenyl-2-Ethynyl- (9Ci) CAS NO 90766-20-4 is a specialized aromatic compound featuring both vinyl and ethynyl functional groups on the benzene ring, making it a valuable and versatile building block in advanced organic synthesis. This unique bifunctional structure is critical for developing complex molecular architectures, particularly in materials science and pharmaceutical research. It is primarily sought after by R&D chemists and process engineers in the fine chemical, agrochemical, and advanced polymer industries for creating novel intermediates, ligands, and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Synthesis: Used in the development of new-generation herbicides, fungicides, and plant growth regulators requiring specific aromatic backbones.
• Advanced Material Precursor: Acts as a monomer or cross-linking agent in the production of specialty polymers, resins, and high-performance plastics with tailored properties.
• Ligand Synthesis: Employed in organometallic chemistry to create sophisticated ligands for catalysis and material science applications.
• Organic Electronic Materials: Investigated for use in the development of organic semiconductors, light-emitting diodes (OLEDs), and photovoltaic materials due to its conjugated system.
• Chemical Research & Development: A fundamental building block in academic and industrial R&D for exploring new chemical reactions and synthesizing complex molecular structures.

Basic Information

Product Name	Benzene, 1-Ethenyl-2-Ethynyl- (9Ci)
CAS No.	90766-20-4
Molecular Formula	C10H8
Molecular Weight	128.17 g/mol
Synonyms	1-Ethenyl-2-ethynylbenzene; 2-Ethynylstyrene; o-Ethynylstyrene; Vinylphenylacetylene; 2-Vinylphenylacetylene; 1-Ethynyl-2-vinylbenzene; (2-Ethynylphenyl)ethene
EINECS	Contact for details

Quality Control

Our Benzene, 1-Ethenyl-2-Ethynyl- (9Ci) is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat, sparks, and open flames. This material is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Clear 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.