Description

1-Ethynyl-2,4,5-Trimethylbenzene 97 is a high-purity, substituted aromatic acetylene compound of significant interest in advanced organic synthesis. This specialty chemical serves as a versatile and valuable building block for constructing complex molecular architectures. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and materials science sectors for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those requiring complex aromatic and alkyne functionalities.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where its structural motifs can contribute to biological activity.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of advanced polymers, resins, and conductive organic materials.
• Ligand and Catalyst Development: Employed in the creation of specialized ligands for metal-organic frameworks (MOFs) and transition metal catalysis.
• Organic Electronic Materials: Investigated as a component in the synthesis of organic semiconductors and light-emitting materials for OLED applications.
• Chemical Research & Development: A fundamental reagent for exploring new organic reactions, such as Sonogashira couplings and cycloadditions, in academic and industrial labs.

Basic Information

Product Name	1-Ethynyl-2,4,5-Trimethylbenzene 97
CAS No.	351002-92-1
Molecular Formula	C₁₁H₁₂
Molecular Weight	144.21 g/mol
Synonyms	2,4,5-Trimethylphenylacetylene; 2,4,5-Trimethyl-1-ethynylbenzene; 1-Ethynyl-2,4,5-trimethylbenzene; (2,4,5-Trimethylphenyl)ethyne; 2,4,5-Trimethylbenzeneacetylene; 2,4,5-TMPA; 2,4,5-Trimethylphenylethyne
EINECS	Contact for details

Quality Control

Our 1-Ethynyl-2,4,5-Trimethylbenzene 97 is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the specified 97% minimum purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters for your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, open flames, and strong oxidizing agents. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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