Description

3-(2-Hydroxyethyl)-2-[5-[3-(2-Hydroxyethyl)-6-Methoxy-3H-Benzothiazol-2-Ylidene]Penta-1,3-Dienyl]-6-Methoxybenzothiazolium Bromide is a high-purity, synthetic benzothiazolium dye salt, identified by CAS number 63815-82-7. This compound is valued for its strong light-absorbing and fluorescent properties, making it a critical functional material for advanced research and industrial applications. It is primarily sought by manufacturers and R&D laboratories in the photonics, optical materials, and specialty chemical synthesis sectors.

Application

• Optical Data Storage: As a key component in the formulation of advanced optical recording media and dyes for CD-R, DVD-R, and Blu-ray discs.
• Non-Linear Optical (NLO) Materials: Used in the development of materials for photonic devices, optical switches, and frequency converters due to its polarizable structure.
• Laser Dyes and Sensitizers: Functions as an active medium or sensitizer in tunable dye lasers and other laser applications.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer for medical applications targeting specific cells.
• Organic Photovoltaic (OPV) Cells: Employed in research for developing light-harvesting layers in next-generation solar cells.
• Chemical Sensors: Utilized in the fabrication of fluorescent chemosensors for detecting specific ions or molecules.
• Security Inks and Dyes: A component in high-security printing inks for banknotes, certificates, and brand protection due to its specific optical signature.
• Academic and Industrial R&D: Serves as a building block or reference standard in synthetic chemistry and materials science research.

Basic Information

Product Name	3-(2-Hydroxyethyl)-2-[5-[3-(2-Hydroxyethyl)-6-Methoxy-3H-Benzothiazol-2-Ylidene]Penta-1,3-Dienyl]-6-Methoxybenzothiazolium Bromide
CAS No.	63815-82-7
Molecular Formula	C27H29BrN2O4S2
Molecular Weight	589.56 g/mol
Synonyms	Benzothiazolium, 3-(2-hydroxyethyl)-2-[5-[3-(2-hydroxyethyl)-6-methoxy-3H-benzothiazol-2-ylidene]-1,3-pentadien-1-yl]-6-methoxy-, bromide (1:1); 2-[5-[3-(2-Hydroxyethyl)-6-methoxy-2-benzothiazolinylidene]-1,3-pentadienyl]-3-(2-hydroxyethyl)-6-methoxybenzothiazolium bromide; NK-2012; Styryl 9; Optical Recording Dye NK-2012; Heptamethine benzothiazolium dye; 63815-82-7
EINECS	Contact for details

Quality Control

Our production of this specialty dye adheres to strict quality management protocols to ensure batch-to-batch consistency and high performance. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and UV-Vis spectroscopy to confirm identity, purity, and optical properties. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed in a desiccated environment and handled under low-light conditions to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
UV-Vis Absorption (λmax)	Within specified range (e.g., 630-670 nm in suitable solvent)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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