Description

Malononitrile, [2-(1-Ethylnaphtho[1,2-D]Thiazolin-2-Ylidene)Ethylidene]- is a specialized organic compound belonging to the class of cyanine dyes and functionalized malononitrile derivatives. This high-value chemical intermediate is critical for its role in modulating optical and electronic properties in advanced materials. It is primarily sought after by research and development teams in the organic electronics, photovoltaics, and non-linear optical (NLO) materials sectors, where precise molecular engineering is required.

Application

• Key Intermediate for Cyanine Dyes: Serves as a crucial building block in the synthesis of near-infrared (NIR) absorbing and fluorescent cyanine dyes for bioimaging and sensing.
• Organic Semiconductor Development: Used in the research and production of organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs) due to its electron-accepting properties.
• Non-Linear Optical (NLO) Materials: A precursor for chromophores with high hyperpolarizability, essential for applications in optical switching, frequency doubling, and telecommunications.
• Photodynamic Therapy (PDT) Agents: Employed in the synthesis of photosensitizers for targeted cancer treatments.
• Chemical Sensor Fabrication: Integral to developing molecular probes and sensor materials for detecting specific ions or biological molecules.
• Academic and Industrial R&D: A valuable reagent for exploratory chemistry in material science and synthetic organic chemistry laboratories worldwide.

Basic Information

Product Name	Malononitrile, [2-(1-Ethylnaphtho[1,2-D]Thiazolin-2-Ylidene)Ethylidene]-
CAS No.	88894-02-4
Molecular Formula	C₁₈H₁₃N₃S
Molecular Weight	303.38 g/mol
Synonyms	2-[(1-Ethylnaphtho[1,2-d]thiazol-2(1H)-ylidene)ethylidene]malononitrile; 1-Ethyl-2-[(1,3-dicyano-2-propenylidene)-1,2-dihydro]-naphtho[1,2-d]thiazole; Naphtho[1,2-d]thiazole malononitrile derivative; Cyanine dye intermediate 88894-02-4; NLO chromophore precursor; Propenylidene-malononitrile-thiazole derivative
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity, which is critical for performance in sensitive optoelectronic applications. Quality is verified through advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your R&D and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere such as nitrogen or argon for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	Dark red to purple crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.