Description

2-(3-Oxo-Indan-1-Ylidene)-Malononitrile is a versatile organic intermediate characterized by its conjugated dicyano acceptor and indanone-based structure. This compound matters for its utility as a key building block in the synthesis of advanced functional materials, particularly in the development of non-linear optical (NLO) chromophores and organic semiconductors. Industries involved in advanced material science, including specialty chemical manufacturing and electronics R&D, require this high-purity intermediate for creating novel compounds with tailored electronic and optical properties.

Application

• Non-Linear Optical (NLO) Materials: A critical precursor for synthesizing push-pull chromophores used in electro-optic modulators, frequency doublers, and optical data storage devices.
• Organic Semiconductor Development: Serves as an electron-accepting unit in the design of small molecule and polymer semiconductors for organic photovoltaics (OPVs) and field-effect transistors (OFETs).
• Fluorescent Dye & Pigment Synthesis: Used to construct complex conjugated systems for high-performance dyes and pigments with specific light-absorption and emission characteristics.
• Pharmaceutical Intermediate: Acts as a synthon in the research and development of pharmacologically active molecules, leveraging its reactive nitrile groups and rigid scaffold.
• Chemical Sensor Fabrication: Incorporated into molecular frameworks designed to act as chemosensors, where structural changes upon analyte binding produce a detectable signal.
• Academic & Industrial Research: A valuable reagent for exploring new organic reactions and constructing complex π-conjugated molecular architectures in R&D laboratories.

Basic Information

Product Name	2-(3-Oxo-Indan-1-Ylidene)-Malononitrile
CAS No.	1420071-64-2
Molecular Formula	C₁₄H₆N₂O
Molecular Weight	218.21 g/mol
Synonyms	1H-Indene-1,3(2H)-dione, 2-(dicyanomethylene)-2,3-dihydro-; 2-(3-Oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile; 2-(3-Oxoindan-1-ylidene)propanedinitrile; (3-Oxo-1-indanylidene)malononitrile; Dicyano(3-oxo-1-indanylidene)methane; 1-Indanone, 1-(dicyanomethylene)-; 1-(Dicyanomethylene)indan-3-one
EINECS	Contact for details

Quality Control

Our 2-(3-Oxo-Indan-1-Ylidene)-Malononitrile is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for advanced material synthesis. Certificates of Analysis (COA) detailing batch-specific results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This material is light-sensitive and should be handled and stored accordingly to maintain stability.

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.