Description

Phenol, 2-Ethynyl-5-Methoxy- is a specialized aromatic compound featuring both a phenolic hydroxyl and an ethynyl group, making it a versatile building block in advanced organic synthesis. This compound is valued for its unique reactivity, enabling the construction of complex molecular architectures through cross-coupling and click chemistry reactions. It is primarily sought after by researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Synthesis: Used in the development of new-generation herbicides and fungicides with enhanced efficacy and selectivity.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers, resins, and advanced materials with tailored thermal or mechanical properties.
• Ligand & Catalyst Development: Employed in the design of novel ligands for metal-catalyzed reactions and organometallic complexes.
• Chemical Research & Development: A valuable scaffold in medicinal chemistry and chemical biology for probe and library synthesis.
• Electronic Materials: Investigated for use in the synthesis of organic semiconductors and conductive polymers.

Basic Information

Product Name	Phenol, 2-Ethynyl-5-Methoxy-
CAS No.	1057669-95-0
Molecular Formula	C9H8O2
Molecular Weight	148.16 g/mol
Synonyms	2-Ethynyl-5-methoxyphenol; 5-Methoxy-2-ethynylphenol; 2-Ethynyl-5-methoxy-1-hydroxybenzene; 1-Hydroxy-2-ethynyl-5-methoxybenzene; 2-Ethynylguaiacol; 5-Methoxysalicylaldehyde alkyne derivative (precursor)
EINECS	Contact for details

Quality Control

Our Phenol, 2-Ethynyl-5-Methoxy- is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including chromatographic purity assays and identity confirmation. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory documentation 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, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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