Description

4-{[5,5-Dimethyl-8-(4-Methylphenyl)-5,6-Dihydronaphthalen-2-Yl]Ethynyl}Benzoic Acid is a high-purity, advanced organic intermediate featuring a complex polycyclic structure with an ethynyl benzoic acid moiety. This compound is valued for its role as a critical building block in the synthesis of sophisticated materials and active pharmaceutical ingredients (APIs). It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel compounds with targeted properties.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the research and synthesis of novel drug candidates, particularly in oncology and central nervous system (CNS) therapeutic areas.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides, leveraging its complex aromatic structure for bioactivity.
• Organic Light-Emitting Diodes (OLEDs): Acts as a potential building block for electron-transport or host materials in OLED displays and lighting due to its rigid, conjugated framework.
• Liquid Crystal & Advanced Material Synthesis: Employed in creating novel liquid crystal compounds and specialty polymers for high-performance applications.
• Chemical Research & Development: Utilized in academic and industrial R&D for exploring new organic reactions and constructing complex molecular architectures.
• Specialty Chemical Manufacturing: Functions as an intermediate for producing dyes, pigments, and other performance chemicals.

Basic Information

Product Name	4-{[5,5-Dimethyl-8-(4-Methylphenyl)-5,6-Dihydronaphthalen-2-Yl]Ethynyl}Benzoic Acid
CAS No.	171746-21-7
Molecular Formula	C28H24O2
Molecular Weight	392.49 g/mol
Synonyms	4-((5,5-Dimethyl-8-(p-tolyl)-5,6-dihydronaphthalen-2-yl)ethynyl)benzoic acid; 4-[(5,5-Dimethyl-8-(4-methylphenyl)-5,6-dihydronaphthalen-2-yl)ethynyl]benzoic acid; Benzoic acid, 4-[[5,5-dimethyl-8-(4-methylphenyl)-5,6-dihydro-2-naphthalenyl]ethynyl]-; CAS 171746-21-7
EINECS	Contact for details

Quality Control

Our 4-{[5,5-Dimethyl-8-(4-Methylphenyl)-5,6-Dihydronaphthalen-2-Yl]Ethynyl}Benzoic Acid is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed and under dry conditions to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 3.0%

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