Description

2-(2H-Thiopyran-4(3H,5H,6H)-Ylidene)Malononitrile is a specialized organic intermediate featuring a thiopyran core fused with a malononitrile moiety. This compound is valued for its unique electronic and structural properties, making it a critical building block in advanced material synthesis. It is primarily sought after by research institutions and industrial R&D departments focused on developing novel functional materials, including organic semiconductors and non-linear optical (NLO) materials.

Application

• Organic Semiconductor Precursor: A key intermediate in the synthesis of donor-acceptor type molecules for organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).
• Non-Linear Optical (NLO) Material Development: Used in research to create chromophores with high hyperpolarizability for applications in photonics and electro-optics.
• Functional Dye Synthesis: Serves as an electron-accepting unit in the design of novel dyes and pigments with specific light-absorption properties.
• Pharmaceutical Intermediate: Potential building block in medicinal chemistry research for constructing complex heterocyclic scaffolds.
• Chemical Sensor Development: Utilized in academic and industrial research to develop selective chemosensors due to its responsive molecular structure.
• Ligand Synthesis for Coordination Chemistry: Acts as a precursor for creating specialized ligands used in catalysis and material science.

Basic Information

Product Name	2-(2H-Thiopyran-4(3H,5H,6H)-Ylidene)Malononitrile
CAS No.	62702-80-1
Molecular Formula	C9H8N2S
Molecular Weight	176.24 g/mol
Synonyms	4-(Dicyanomethylene)-3,4,5,6-tetrahydro-2H-thiopyran; 2H-Thiopyran-4(3H,5H,6H)-ylidenemalononitrile; 4-(Dicyanomethylene)tetrahydro-2H-thiopyran; Tetrahydro-2H-thiopyran-4-ylidenemalononitrile; 4-(Dicyanomethylene)perhydro-2-thiopyran; Malononitrile, (tetrahydro-2H-thiopyran-4-ylidene)-; 62702-80-1
EINECS	Contact for details

Quality Control

Our 2-(2H-Thiopyran-4(3H,5H,6H)-Ylidene)Malononitrile is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency essential for research and development. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

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 incompatible materials. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.