Description

3,5-Diethynyl Phenol is a high-value, multi-functional aromatic building block characterized by its two terminal alkyne groups. This unique molecular structure makes it a critical intermediate for synthesizing advanced polymers, ligands, and complex organic frameworks. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require precise, customizable scaffolds for drug discovery, catalysis, and the development of conductive or porous materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon for constructing novel active pharmaceutical ingredients (APIs) and drug candidates, particularly in oncology and CNS research.
• Polymer & Resin Synthesis: Used as a co-monomer or cross-linking agent in the production of high-performance thermosetting resins, polyacetylenes, and specialty polymers with tailored thermal and mechanical properties.
• Metal-Organic Frameworks (MOFs): Acts as a versatile organic linker for constructing porous MOFs with applications in gas storage, separation, and heterogeneous catalysis.
• Catalyst & Ligand Development: Employed to create sophisticated chelating ligands for transition metal catalysts used in fine chemical synthesis and coupling reactions.
• Agrochemical Research: Utilized in the design and synthesis of new-generation herbicides, fungicides, and plant growth regulators.
• Material Science: Integral to developing organic electronic materials, nonlinear optical (NLO) materials, and flame-retardant additives.

Basic Information

Product Name	3,5-Diethynyl Phenol
CAS No.	918826-08-1
Molecular Formula	C10H6O
Molecular Weight	142.16 g/mol
Synonyms	3,5-Diethynylphenol; 1,3-Diethynyl-5-hydroxybenzene; Phenol, 3,5-diethynyl-; 5-Hydroxy-1,3-diethynylbenzene; 3,5-Bis(ethynyl)phenol; Diethynylphenol; DYP
EINECS	Contact for details

Quality Control

Our 3,5-Diethynyl Phenol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). The compound is light-sensitive and should be handled under an inert atmosphere for long-term stability. Keep away from strong oxidizers.

Specification

Item	Specification
Appearance	Off-white to light yellow 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.