Description

1H-Indene, 2-Ethynyl- (9Ci) is a specialized organic building block featuring a fused indene core with a terminal ethynyl substituent. This unique molecular architecture makes it a valuable intermediate for advanced materials science and pharmaceutical research, enabling the synthesis of complex, conjugated structures. It is primarily utilized by R&D chemists and process development scientists in the fine chemical, agrochemical, and material science industries.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of novel active pharmaceutical ingredients (APIs), particularly for compounds with rigid, polycyclic frameworks.
• Organic Electronic Materials: Used in the synthesis of organic semiconductors, light-emitting diodes (OLEDs), and other optoelectronic materials due to its conjugated system and potential for functionalization.
• Agrochemical Research: Acts as a building block for creating new crop protection agents with enhanced biological activity and environmental profiles.
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis and coordination chemistry.
• Polymer Chemistry: Functions as a monomer or cross-linking agent for developing advanced polymers with specific thermal or electronic properties.
• Academic & Industrial R&D: A versatile tool for exploratory synthesis in both university laboratories and corporate research centers focused on novel chemical entities.

Basic Information

Product Name	1H-Indene, 2-Ethynyl- (9Ci)
CAS No.	74010-34-7
Molecular Formula	C11H8
Molecular Weight	140.18 g/mol
Synonyms	2-Ethynyl-1H-indene; 2-Ethynylindene; 1H-Indene, 2-ethynyl-; 2-Ethynylindene; Ethynylindene; Indene, 2-ethynyl-; 74010-34-7; 2-Ethynyl-1H-indene (ACD/Name 4.0)
EINECS	Contact for details

Quality Control

Our production of 1H-Indene, 2-Ethynyl- (9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is characterized using advanced analytical techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere such as nitrogen or argon to maximize stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥95% (Typical 97-99%)
Water Content (KF)	≤0.5%

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