Description

Phthalonitrile CAS NO 91-15-6 is a high-purity, versatile aromatic dinitrile compound serving as a critical building block in advanced material synthesis. Its primary value lies in its role as a key precursor for the production of phthalocyanine dyes and pigments, which are renowned for their exceptional stability and vivid colors. This chemical is essential for manufacturers in the pigments, dyes, advanced polymers, and organic electronics sectors, where it enables the creation of high-performance materials.

Application

• Phthalocyanine Pigment & Dye Synthesis: The principal application as a precursor for producing copper phthalocyanine (CuPc) and other metal phthalocyanines, used in inks, paints, plastics, and textiles.
• Advanced Polymer Production: Serves as a monomer or cross-linking agent in the synthesis of high-temperature resistant polymers, polyimides, and specialty resins.
• Organic Semiconductor Materials: Used in the research and development of organic light-emitting diodes (OLEDs), photovoltaic cells, and other organic electronic components.
• Chemical Intermediate: Acts as a versatile intermediate in organic synthesis for pharmaceuticals, agrochemicals, and other fine chemicals.
• Catalyst and Ligand Preparation: Employed in the preparation of metal-organic frameworks (MOFs) and catalytic complexes.
• Corrosion Inhibitors: Utilized in formulations for metal surface treatment and protective coatings.

Basic Information

Product Name	Phthalonitrile
CAS No.	91-15-6
Molecular Formula	C8H4N2
Molecular Weight	128.13 g/mol
Synonyms	1,2-Dicyanobenzene; o-Dicyanobenzene; Benzene-1,2-dicarbonitrile; Phthalic acid dinitrile; 1,2-Benzenedicarbonitrile; Phthalodinitrile; o-Phthalodinitrile; Phthalonitrile (technical grade)
EINECS	202-045-1

Quality Control

Our Phthalonitrile is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and physical properties. A comprehensive Certificate of Analysis (COA) detailing assay results, impurity profiles, and other critical parameters is provided with each shipment to guarantee traceability and compliance with your quality requirements.

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). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.5%
Melting Point	138°C - 142°C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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