Description

4,5-Bis(3-Pyridinyloxy)Phthalonitrile is a specialized organic compound belonging to the phthalonitrile family, serving as a critical intermediate in advanced material synthesis. Its molecular architecture, featuring dual pyridinyloxy substituents, makes it a valuable precursor for constructing complex macrocyclic and polymeric structures. This high-purity intermediate is essential for researchers and manufacturers in the fields of organic electronics, coordination chemistry, and the development of functional dyes and pigments.

Application

• Precursor for Phthalocyanine Synthesis: A key building block for the preparation of novel, asymmetrically substituted phthalocyanines, which are used as dyes, pigments, and functional materials.
• Organic Semiconductor Research: Employed in the development of n-type organic semiconductors and charge-transport materials for electronic devices like OLEDs and OFETs.
• Coordination Chemistry & Ligand Design: Acts as a versatile ligand or precursor for ligands in catalytic systems and metal-organic frameworks (MOFs).
• Polymer Chemistry: Used in the synthesis of high-performance polymers and polyimides with enhanced thermal and mechanical properties.
• Chemical Sensor Development: Incorporated into the design of chemosensors and fluorescent probes due to its electron-accepting nitrile groups and aromatic structure.
• Pharmaceutical Intermediate: Serves as a sophisticated synthetic intermediate in the research and development of active pharmaceutical ingredients (APIs).

Basic Information

Item	Details
Product Name	4,5-Bis(3-Pyridinyloxy)Phthalonitrile
CAS No.	147699-68-1
Molecular Formula	C20H11N5O2
Molecular Weight	353.34 g/mol
Synonyms	4,5-Bis(3-pyridyloxy)phthalonitrile; 4,5-Di(3-pyridyloxy)phthalonitrile; 1,2-Dicyano-4,5-bis(3-pyridinyloxy)benzene; Phthalonitrile, 4,5-bis(3-pyridinyloxy)-; 4,5-Bis(pyridin-3-yloxy)phthalonitrile
EINECS	Contact for details

Quality Control

Every batch of 4,5-Bis(3-Pyridinyloxy)Phthalonitrile is produced and tested under stringent quality management protocols to ensure high purity and batch-to-batch consistency. Our standard analytical suite includes HPLC for purity determination, NMR and IR for structural confirmation, and tests for residual solvents and moisture. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

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%
Residual Solvents (GC)	Meets ICH guidelines

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