Description

(2E)-2-[(2Z)-2-(3-Ethyl-1,3-Benzothiazol-2(3H)-Ylidene)Ethylidene]-3,4-Dihydronaphthalen-1(2H)-One is a high-purity, specialized organic compound belonging to the cyanine dye family, valued for its distinct photophysical properties. This chemical is a critical functional material for advanced research and industrial applications requiring precise light absorption and emission characteristics. It is primarily sought by manufacturers and R&D laboratories in the optical materials, imaging, and high-tech electronics sectors for its role in developing next-generation technologies.

Application

• Optical Data Storage: As a key photosensitive component in the formulation of advanced optical recording media (e.g., CD-R, DVD-R).
• Laser Dye & Photonics: Serving as an active medium in tunable dye lasers and other photonic devices due to its specific fluorescence properties.
• Non-Linear Optical (NLO) Materials: Used in the research and development of materials for frequency doubling, optical switching, and signal processing.
• Bioimaging & Sensing: Potential application as a fluorescent probe or marker in biochemical research and diagnostic assays.
• Organic Photovoltaics (OPV): Investigated for use in the light-absorbing layer of organic solar cells to enhance light harvesting efficiency.
• Chemical Synthesis: Acts as a versatile intermediate for synthesizing more complex cyanine dyes and functional organic molecules.

Basic Information

Item	Detail
Product Name	(2E)-2-[(2Z)-2-(3-Ethyl-1,3-Benzothiazol-2(3H)-Ylidene)Ethylidene]-3,4-Dihydronaphthalen-1(2H)-One
CAS No.	53704-21-5
Molecular Formula	C23H19NOS
Molecular Weight	357.47 g/mol
Synonyms	2-[(2Z)-2-(3-Ethyl-1,3-benzothiazol-2(3H)-ylidene)ethylidene]-3,4-dihydro-1(2H)-naphthalenone; 1(2H)-Naphthalenone, 2-[(2Z)-2-(3-ethyl-1,3-benzothiazol-2(3H)-ylidene)ethylidene]-3,4-dihydro-; Cyanine dye derivative; Benzothiazole cyanine dye; Optical recording dye; 53704-21-5
EINECS	Contact for details

Quality Control

Our production of (2E)-2-[(2Z)-2-(3-Ethyl-1,3-Benzothiazol-2(3H)-Ylidene)Ethylidene]-3,4-Dihydronaphthalen-1(2H)-One adheres to a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 heat sources and incompatible materials. Due to its light-sensitive nature, handling and packaging should minimize exposure to strong light.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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