Description

9H-Carbazole, 1,3,6,8-Tetraethynyl- is a highly functionalized carbazole derivative featuring four ethynyl groups, which serve as versatile handles for further chemical modification and polymerization. This compound is of significant interest for its role as a key advanced organic building block in the development of novel functional materials. It is primarily needed by researchers and manufacturers in the fields of organic electronics, polymer science, and materials chemistry for creating conductive polymers, light-emitting materials, and porous frameworks.

Application

• Organic Semiconductor Precursor: Serves as a core monomer for synthesizing conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaics.
• Metal-Organic Framework (MOF) Linker: The ethynyl groups enable coordination with metal ions to construct porous, functional MOFs for gas storage, separation, or catalysis.
• Click Chemistry Substrate: Ideal for copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions to create complex dendrimers, polymers, or bioconjugates.
• Cross-coupling Reactions: Used in Sonogashira, Heck, and other palladium-catalyzed cross-couplings to build extended π-conjugated systems.
• Research & Development: A critical intermediate in academic and industrial R&D for exploring new optoelectronic properties and material functionalities.
• Luminescent Material Synthesis: Building block for creating carbazole-based fluorophores and phosphors with tailored emission characteristics.

Basic Information

Product Name	9H-Carbazole, 1,3,6,8-Tetraethynyl-
CAS No.	2415951-75-4
Molecular Formula	C20H8N2
Molecular Weight	276.30 g/mol
Synonyms	1,3,6,8-Tetraethynyl-9H-carbazole; 1,3,6,8-Tetraethynylcarbazole; 9H-Carbazole-1,3,6,8-tetrayltetrakis(ethyne); Tetrakis(ethynyl)carbazole; TECz; Carbazole-1,3,6,8-tetrayltetraethyne
EINECS	Contact for details

Quality Control

Our high-purity specialty chemical products undergo rigorous quality testing to ensure compliance with industry standards. We provide comprehensive analytical data including HPLC, NMR, and GC-MS to verify identity and purity. Certificates of Analysis (COA) are available upon request, detailing batch-specific results for all critical parameters.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to minimize oxidation and degradation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 95% (Area %)
Melting Point	Contact for details

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