Description

3-[dimethyl-[4-[4-[(E)-(3-methylbenzothiazol-2-ylidene)methyl]quinolin-1-yl]butyl]ammonio]propyl-dimethyl-[4-[4-[(E)-(3-methylbenzothiazol-2-ylidene)methyl]quinolin-1-yl]butyl]azanium tetraiodide is a specialized organic salt belonging to the cyanine dye family, characterized by its unique bis-quinolinium structure. This compound matters for its strong light-absorbing and fluorescent properties, making it a critical functional material in advanced photonic and electronic applications. It is primarily needed by researchers and manufacturers in the fields of optical data storage, nonlinear optics, and as a potential photosensitizer or fluorescent probe in biomedical imaging.

Application

• Optical Data Storage Materials: As a key component in recordable optical media (e.g., CD-R, DVD-R) due to its strong absorption in the visible/near-IR region.
• Nonlinear Optical (NLO) Devices: Utilized in the development of optical limiters, switches, and frequency converters for laser technology.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer for cancer treatment, leveraging its ability to generate reactive oxygen species upon light activation.
• Fluorescent Labeling and Bioimaging: Serves as a building block for synthesizing fluorescent dyes and probes for cellular and molecular imaging applications.
• Organic Photovoltaic (OPV) Cells: Used in research for light-harvesting layers in solar cells to improve photon absorption efficiency.
• Chemical Sensors: Employed in the fabrication of sensors where its optical properties change upon interaction with specific analytes.

Basic Information

Product Name	3-[dimethyl-[4-[4-[(E)-(3-methylbenzothiazol-2-ylidene)methyl]quinolin-1-yl]butyl]ammonio]propyl-dimethyl-[4-[4-[(E)-(3-methylbenzothiazol-2-ylidene)methyl]quinolin-1-yl]butyl]azanium tetraiodide
CAS No.	197770-98-2
Molecular Formula	C52H60I4N6S2
Molecular Weight	1384.66 g/mol
Synonyms	Bis[4-[4-[(E)-2-(3-Methylbenzothiazol-2(3H)-ylidene)ethylidene]-1,4-dihydroquinolin-1-yl]butyl]dimethylammonium tetraiodide; Cyanine dye tetraiodide salt; Symmetrical bis-quinolinium cyanine dye; Heptamethine cyanine dye derivative; Optical storage dye 197770-98-2; 1,1'-(Butane-1,4-diyl)bis[4-[(E)-2-(3-methyl-1,3-benzothiazol-2-ylidene)ethylidene]-1,4-dihydroquinoline] dimethylammonium tetraiodide
EINECS	Contact for details

Quality Control

Our production of this high-purity functional dye adheres to strict quality protocols to ensure batch-to-batch consistency and performance reliability for sensitive applications. 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.

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 compound is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept 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 structure
Identification (UV-Vis)	Conforms
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Absorption Max (λmax)	Contact for details
Extinction Coefficient (ε)	Contact for details

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