Description

4-(Chlorosulfonyl)Phthalonitrile is a versatile and highly reactive chemical intermediate characterized by its chlorosulfonyl and phthalonitrile functional groups. This compound is critical for the synthesis of advanced materials and specialty chemicals, offering a key building block for creating complex molecular architectures. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel compounds and functional dyes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Functional Dye Production: Serves as a critical building block for phthalocyanine dyes and pigments used in electronics, imaging, and sensors.
• Advanced Material Research: Employed in the creation of metal-organic frameworks (MOFs), polymers, and other specialty materials with tailored properties.
• Chemical Synthesis: Acts as a versatile reagent for introducing sulfonyl chloride and nitrile functionalities into target molecules in organic chemistry.

Basic Information

Product Name	4-(Chlorosulfonyl)Phthalonitrile
CAS No.	170697-25-3
Molecular Formula	C8H3ClN2O2S
Molecular Weight	226.64 g/mol
Synonyms	4-(Chlorosulfonyl)benzene-1,2-dicarbonitrile; 4-Chlorosulfonylphthalonitrile; 1,2-Dicyano-4-(chlorosulfonyl)benzene; Phthalonitrile-4-sulfonyl chloride; 4-Sulfonyl chloride phthalonitrile; 4-Chlorosulfonyl-1,2-dicyanobenzene; 4-(Chlorosulfonyl)-1,2-benzenedicarbonitrile
EINECS	Contact for details

Quality Control

Our 4-(Chlorosulfonyl)Phthalonitrile is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	< 20 ppm

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