Description

(4-Ethylphenyl)-(4'-n-Propylphenyl)Ethyne is a high-purity organic intermediate featuring a rigid, linear diphenylacetylene core structure. This compound matters for its role as a critical building block in the synthesis of advanced liquid crystal materials and organic semiconductors. It is primarily needed by manufacturers in the electronics, display technology, and advanced materials research sectors seeking to develop novel functional organic compounds.

Application

• Liquid Crystal Synthesis: A key precursor for creating nematic and smectic liquid crystal molecules used in display applications (LCDs).
• Organic Electronic Materials: Serves as a rigid-rod spacer or core unit in the development of organic semiconductors, OLEDs, and OFETs.
• Pharmaceutical Intermediates: Used in research-scale synthesis of complex molecules with specific linear, conjugated architectures.
• Advanced Polymer Chemistry: Acts as a monomer or cross-linking agent for creating polymers with enhanced thermal stability and optical properties.
• Nonlinear Optical (NLO) Materials: Investigated as a component in materials for photonic applications due to its conjugated system.
• Chemical Research & Development: Employed in academic and industrial R&D for studying structure-property relationships in conjugated systems.

Basic Information

Product Name	(4-Ethylphenyl)-(4'-n-Propylphenyl)Ethyne
CAS No.	102225-55-8
Molecular Formula	C19H20
Molecular Weight	248.36 g/mol
Synonyms	1-Ethyl-4-[(4-propylphenyl)ethynyl]benzene; 4-Ethyl-4'-propyltolane; 4-Ethyl-4'-propyl diphenylacetylene; p-Ethyl-p'-propyltolane; (4-Ethylphenyl)(4-propylphenyl)acetylene; 1-Ethyl-4-[(4-propylphenyl)ethynyl]benzene; Tolane derivative C19H20
EINECS	Contact for details

Quality Control

Our (4-Ethylphenyl)-(4'-n-Propylphenyl)Ethyne is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and structural integrity. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

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. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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