Description

3,4,5,6-Tetrachlorophthalonitrile is a halogenated aromatic nitrile compound that serves as a critical advanced intermediate in organic synthesis. Its value lies in its versatile reactivity, enabling the construction of complex molecules, particularly phthalocyanine derivatives. This product is essential for manufacturers and R&D teams in the agrochemical, specialty dye, and advanced material sectors seeking to develop high-performance compounds.

Application

• Agrochemical Intermediate: A key precursor for synthesizing novel fungicides and herbicides, leveraging its halogenated structure for enhanced biological activity.
• Phthalocyanine Pigment/Dye Synthesis: Serves as a fundamental building block for producing chlorinated phthalocyanines, which are valued for their exceptional color fastness and stability in inks, paints, and plastics.
• Organic Electronic Material Precursor: Used in research and development of organic semiconductors and photoconductive materials due to its electron-deficient aromatic core.
• Chemical Research & Development: Employed as a versatile nitrile and halogenated synthon for constructing complex heterocyclic compounds and ligands in catalysis.
• Polymer Additive Intermediate: Facilitates the synthesis of specialized monomers or stabilizers designed to impart flame retardancy or UV stability to high-performance polymers.

Basic Information

Product Name	3,4,5,6-Tetrachlorophthalonitrile
CAS No.	1953-99-7
Molecular Formula	C8Cl4N2
Molecular Weight	265.90 g/mol
Synonyms	TCPN; Tetrachlorophthalonitrile; 1,2,4,5-Tetrachlorophthalonitrile; Phthalonitrile, 3,4,5,6-tetrachloro-; 3,4,5,6-Tetrachlorobenzene-1,2-dicarbonitrile; NSC 403095
EINECS	217-807-7

Quality Control

Our 3,4,5,6-Tetrachlorophthalonitrile is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity and meets the specifications required for advanced synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, identity, and impurity profiles.

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 strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	245 - 250 °C
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.