Description

4,5-Dichloro-3,6-Dihydroxy-Phthalonitrile is a key chemical intermediate characterized by its reactive nitrile and hydroxyl groups on a chlorinated aromatic core. This compound matters for its role as a versatile precursor in the synthesis of complex organic molecules, particularly phthalocyanine dyes and pigments. Industries such as specialty chemicals, advanced material science, and high-performance pigment manufacturing rely on this high-purity intermediate to develop products with specific optical and electronic properties.

Application

• Primary intermediate for the synthesis of chlorinated phthalocyanine pigments, used in high-durability paints, inks, and plastics.
• Key building block in the production of functional dyes for applications in digital printing and imaging technologies.
• Precursor for organic electronic materials, including components for organic light-emitting diodes (OLEDs) and photoconductors.
• Starting material in pharmaceutical research for creating novel heterocyclic compounds with potential biological activity.
• Used in the development of chemical sensors and catalysts due to its metal-chelating potential.
• Intermediate for specialty agrochemicals and fine chemicals requiring a halogenated, functionalized aromatic structure.

Basic Information

Product Name	4,5-Dichloro-3,6-Dihydroxy-Phthalonitrile
CAS No.	4640-41-9
Molecular Formula	C8H2Cl2N2O2
Molecular Weight	229.02 g/mol
Synonyms	4,5-Dichloro-3,6-dihydroxyphthalonitrile; 1,2-Dicyano-4,5-dichloro-3,6-dihydroxybenzene; 3,6-Dihydroxy-4,5-dichlorophthalonitrile; 4,5-Dichloro-3,6-dihydroxy-1,2-benzenedicarbonitrile; DCPhthalonitrile (abbr.); DCDHPN
EINECS	Contact for details

Quality Control

Our 4,5-Dichloro-3,6-Dihydroxy-Phthalonitrile is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of advanced chemical synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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