Description

3-Allyl-2-[[4,5-Diphenyl-3-(4-Sulphonatobutyl)Thiazol-2(3H)-Ylidene]Methyl]-5-[(1-Ethylquinolin-4(1H)-Ylidene)Ethylidene]-4-Oxothiazolium is a sophisticated, water-soluble cyanine dye derivative characterized by its extended conjugated system and functional sulphonate group. This compound matters for its exceptional ability to absorb and emit light in specific regions, making it a critical functional material for advanced optical applications. It is primarily needed by research institutions and manufacturers in the photonics, imaging, and specialty chemical sectors seeking high-performance chromophores.

Application

• Fluorescent Labeling & Probes: Used in the development of highly sensitive fluorescent probes and labels for bioimaging, cellular staining, and diagnostic assays due to its strong, tunable emission.
• Optical Data Storage: Serves as a key photosensitive material in the formulation of advanced optical recording media, including write-once and rewritable discs.
• Nonlinear Optical Materials: Incorporated into polymers and crystals for applications in photonics, such as optical limiting, switching, and frequency conversion, leveraging its large molecular hyperpolarizability.
• Laser Dyes & Sensitizers: Functions as an active medium or sensitizer in tunable dye lasers and in photodynamic therapy research, utilizing its efficient light absorption.
• Solar Cell Research: Investigated as a potential photosensitizer in dye-sensitized solar cells (DSSCs) to enhance light-harvesting efficiency.
• Analytical Chemistry Reagents: Employed as a spectroscopic reagent or indicator in trace metal detection and other analytical methods.

Basic Information

Product Name	3-Allyl-2-[[4,5-Diphenyl-3-(4-Sulphonatobutyl)Thiazol-2(3H)-Ylidene]Methyl]-5-[(1-Ethylquinolin-4(1H)-Ylidene)Ethylidene]-4-Oxothiazolium
CAS No.	93857-85-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	3-Allyl-2-((4,5-diphenyl-3-(4-sulfonatobutyl)thiazol-2(3H)-ylidene)methyl)-5-((1-ethylquinolin-4(1H)-ylidene)ethylidene)thiazolidin-4-one; Cyanine dye derivative 93857-85-3; Sulphonated thiazolium cyanine dye; 4-Oxothiazolium dye; Water-soluble cyanine dye; Optical recording dye 93857-85-3; Photographic sensitizer 93857-85-3
EINECS	Contact for details

Quality Control

Our production of this high-value specialty chemical adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. 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 relevant specifications is provided with every shipment to support your research and quality assurance processes.

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 light-sensitive and should be handled under appropriate conditions to prevent degradation. Keep the container sealed to protect from moisture.

Specification

Item	Specification
Appearance	Dark green to black powder or crystals
Identification (UV-Vis)	Conforms
Identification (HPLC)	Conforms to reference retention time
Purity (HPLC)	≥ 95.0% (Area %)
Water Content	≤ 5.0% (KF)
Residue on Ignition	≤ 1.0%
Solubility (Water)	Freely soluble
Absorption Maxima (λmax)	Contact for details

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