Description

3-ETHYL-2-((E)-2-[5-((Z)-2-[3-ETHYL-5-METHOXY-1,3-BENZOTHIAZOL-2(3H)-YLIDENE]ETHYLIDENE)-2H-PYRAN-3(6H)-YL]ETHENYL)-5-METHOXY-1,3-BENZOTHIAZOL-3-IUM 4-METHYLBENZENESULFONATE is a high-purity, specialized organic salt belonging to the cyanine dye family, valued for its exceptional photophysical properties. This compound is critical for applications requiring precise light absorption and emission characteristics in the near-infrared (NIR) spectrum. It is primarily sought by manufacturers and researchers in the optical materials, semiconductor research, and advanced imaging sectors for developing next-generation technologies.

Application

• NIR Fluorescent Dyes & Probes: Key component in the synthesis of near-infrared fluorescent labels for bioimaging, medical diagnostics, and cellular analysis.
• Optical Data Storage: Used in the research and development of advanced optical recording media due to its specific light-absorbing properties.
• Photovoltaic & OLED Research: Serves as a functional material in the development of organic light-emitting diodes (OLEDs) and dye-sensitized solar cells (DSSCs).
• Laser & Nonlinear Optical Materials: Employed in the fabrication of materials for laser applications and nonlinear optics.
• Chemical Sensors: Utilized as an active layer or dopant in sensors designed to detect specific analytes based on optical signal changes.
• Academic & Industrial R&D: A vital research chemical for synthetic chemistry and materials science exploring new functional dyes and chromophores.

Basic Information

Product Name	3-ETHYL-2-((E)-2-[5-((Z)-2-[3-ETHYL-5-METHOXY-1,3-BENZOTHIAZOL-2(3H)-YLIDENE]ETHYLIDENE)-2H-PYRAN-3(6H)-YL]ETHENYL)-5-METHOXY-1,3-BENZOTHIAZOL-3-IUM 4-METHYLBENZENESULFONATE
CAS No.	328063-95-2
Molecular Formula	C37H38N2O6S3
Molecular Weight	702.90 g/mol
Synonyms	3-Ethyl-2-((E)-2-(5-((Z)-2-(3-ethyl-5-methoxy-1,3-benzothiazol-2(3H)-ylidene)ethylidene)-3,6-dihydro-2H-pyran-3-yl)vinyl)-5-methoxy-1,3-benzothiazol-3-ium 4-methylbenzenesulfonate; Cyanine dye derivative; NIR cyanine dye tosylate salt; Benzothiazolium, 3-ethyl-2-[(E)-2-[5-[(Z)-2-(3-ethyl-5-methoxy-2(3H)-benzothiazolylidene)ethylidene]-3,6-dihydro-2H-pyran-3-yl]ethenyl]-5-methoxy-, 4-methylbenzenesulfonate; Heptamethine cyanine tosylate; IR-1061 analog
EINECS	Contact for details

Quality Control

Our production of this advanced cyanine dye adheres to strict quality control protocols to ensure batch-to-batch consistency and high performance. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key spectral data is provided with every shipment to support your R&D and manufacturing quality assurance.

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 light-sensitive (store away from light) and should be handled under inert atmosphere when appropriate to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 95.0% (Area %)
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.