Description

α-Chlorobenzylidenemalononitrile is a specialized organic chemical building block belonging to the class of malononitrile derivatives. This compound is valued for its reactive dicyanovinyl group and aromatic chlorinated structure, making it a versatile intermediate in advanced organic synthesis. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those with heterocyclic or fused ring systems.
• Agrochemical Synthesis: Building block for developing novel herbicides, fungicides, and insecticides, leveraging its reactive sites for structural diversification.
• Organic Light-Emitting Diodes (OLEDs): Used in the research and development of electron-transport materials and non-linear optical (NLO) materials.
• Dye and Pigment Intermediate: Serves as a starting material for synthesizing advanced dyes and functional pigments.
• Polymer Chemistry: Monomer or cross-linking agent in the production of specialty polymers with specific thermal or optical properties.
• Chemical Research: A valuable reagent in academic and industrial laboratories for studying cyclization reactions and developing new synthetic methodologies.

Basic Information

Product Name	α-Chlorobenzylidenemalononitrile
CAS No.	18270-61-6
Molecular Formula	C10H5ClN2
Molecular Weight	188.61 g/mol
Synonyms	2-Chlorobenzylidenemalononitrile; (2-Chlorobenzylidene)malononitrile; α-Chlorobenzalmalononitrile; o-Chlorobenzylidenemalononitrile; 2-Chlorobenzalmalononitrile; CS (tear gas precursor); [ (2-Chlorophenyl)methylene]propanedinitrile
EINECS	242-165-1

Quality Control

Our α-Chlorobenzylidenemalononitrile is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity determination and GC/MS for identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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). Keep away from strong bases and oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	94 - 98 °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.