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2-Ethynyl-1,3-Dimethylbenzene CAS NO 74331-74-1
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CAS No.:74331-74-1
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
2-Ethynyl-1,3-Dimethylbenzene is a specialized aromatic alkyne derivative, valued for its unique molecular structure that serves as a versatile building block in advanced organic synthesis. Its core value proposition lies in enabling the construction of complex molecular architectures, particularly in the development of novel materials and active pharmaceutical ingredients. This high-purity intermediate is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors seeking to innovate and scale new compounds.
Application
- Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, especially those targeting central nervous system (CNS) disorders.
- Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides with tailored activity.
- Material Science: Serves as a precursor in the development of organic semiconductors, liquid crystals, and specialty polymers.
- Chemical Research: Employed in academic and industrial laboratories for methodology development in cross-coupling and cycloaddition reactions.
- Ligand & Catalyst Development: Acts as a building block for creating novel ligands used in homogeneous catalysis.
- Fine Chemical Production: Integral to the multi-step synthesis of complex fragrance and flavor molecules.
Basic Information
| Product Name | 2-Ethynyl-1,3-Dimethylbenzene |
| CAS No. | 74331-74-1 |
| Molecular Formula | C10H10 |
| Molecular Weight | 130.19 g/mol |
| Synonyms | 1,3-Dimethyl-2-ethynylbenzene; 2-Ethynyl-m-xylene; m-Xylylacetylene; 2-Ethynyl-1,3-dimethyl-benzene; 2-Ethynyl-m-xylene; 2-(1,3-Dimethylphenyl)ethyne |
| EINECS | Contact for details |
Quality Control
Our production of 2-Ethynyl-1,3-Dimethylbenzene adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques (GC, HPLC, NMR) to verify identity, potency, and impurity profiles. Certificates of Analysis (COA) documenting all critical quality attributes are provided with every shipment. We operate under a cGMP-compliant quality system suitable for supporting pharmaceutical development.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, open flames, and oxidizing agents. For long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen or argon) to preserve stability.
Specification
| Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Identification (IR) | Conforms to structure |
| Assay (GC) | ≥ 97.0% |
| Purity (HPLC) | ≥ 98.0% |
| Water Content (KF) | ≤ 0.5% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.





