Description

4-((4-Ethynylphenyl)Ethynyl)-N,n-Dimethylbenzenamine is a specialized organic compound featuring a conjugated diyne structure linked to a dimethylamino group, making it a valuable building block in advanced materials science. Its extended π-conjugated system and terminal alkyne functionalities are critical for applications requiring precise molecular assembly and electronic property tuning. This high-purity intermediate is essential for researchers and manufacturers in the organic electronics, pharmaceutical, and specialty polymer sectors seeking to develop next-generation functional materials.

Application

• As a key monomer or cross-linking agent in the synthesis of conductive polymers and organic semiconductors for OLEDs, OFETs, and photovoltaic cells.
• Utilized in click chemistry (e.g., CuAAC reactions) as a versatile alkyne-containing building block for drug discovery, bioconjugation, and material surface functionalization.
• Employed in the development of non-linear optical (NLO) materials and molecular wires due to its rigid, linear conjugated backbone.
• Serves as a precursor for metal-organic frameworks (MOFs) and coordination polymers, where the alkyne groups can act as ligands or be further modified.
• Used in academic and industrial R&D for exploring new organic electronic materials and supramolecular architectures.
• Potential application as a fluorescent probe or sensor material after further synthetic modification.

Basic Information

Product Name	4-((4-Ethynylphenyl)Ethynyl)-N,n-Dimethylbenzenamine
CAS No.	778593-53-6
Molecular Formula	C18H15N
Molecular Weight	245.32 g/mol
Synonyms	N,N-Dimethyl-4-((4-ethynylphenyl)ethynyl)aniline; 4,4'-(1,2-Ethynediyl)bis(N,N-dimethylbenzenamine); 1-Ethynyl-4-[(4-ethynylphenyl)ethynyl]benzene (related structure); Bis(4-dimethylaminophenyl)diacetylene; DMAPA-DA; (4-Dimethylaminophenyl)ethynyl-(4-ethynylphenyl)acetylene; p-(Dimethylamino)phenyl-di-p-ethynylphenylacetylene
EINECS	Contact for details

Quality Control

Our production of 4-((4-Ethynylphenyl)Ethynyl)-N,n-Dimethylbenzenamine adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive applications. All materials are characterized using advanced analytical techniques including HPLC, GC-MS, NMR, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C to minimize oxidation and degradation. Allow the container to reach room temperature before opening to prevent moisture condensation. Keep away from strong oxidizers and acids.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines
Elemental Analysis	Within theoretical ±0.4%

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