Description

4,5-Dichlorophthalonitrile is a high-purity, halogenated aromatic nitrile compound serving as a critical synthetic intermediate. Its value lies in its versatile reactivity, enabling the construction of complex molecular architectures, particularly phthalocyanine derivatives. This compound is essential for researchers and manufacturers in the advanced materials, specialty dyes and pigments, and pharmaceutical agrochemical sectors seeking to develop products with tailored optical and electronic properties.

Application

• Key Intermediate for Phthalocyanine Synthesis: Primary building block for producing substituted phthalocyanines, which are vital as blue and green pigments, catalysts, and materials for organic semiconductors.
• Advanced Material Precursor: Used in the research and development of organic light-emitting diodes (OLEDs), nonlinear optical materials, and molecular sensors due to its electron-deficient aromatic core.
• Agrochemical & Pharmaceutical Intermediates: Serves as a versatile synthon for creating novel active ingredients and fine chemicals through further functionalization of the dichloro and nitrile groups.
• Dye and Pigment Manufacturing: Enables the synthesis of high-performance, halogenated colorants with enhanced stability and specific chromatic properties for industrial applications.
• Ligand and Complex Formation: Utilized in coordination chemistry to create specialized ligands for metal-organic frameworks (MOFs) or catalytic complexes.

Basic Information

Product Name	4,5-Dichlorophthalonitrile
CAS No.	139152-08-2
Molecular Formula	C8H2Cl2N2
Molecular Weight	197.02 g/mol
Synonyms	1,2-Dichloro-4,5-dicyanobenzene; 4,5-Dichloro-1,2-benzenedicarbonitrile; 4,5-Dichlorobenzene-1,2-dicarbonitrile; 1,2-Dicyano-4,5-dichlorobenzene; Phthalonitrile, 4,5-dichloro-; DCPhN
EINECS	Contact for details

Quality Control

Our 4,5-Dichlorophthalonitrile is manufactured under strict process controls to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC for assay and purity verification. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
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.