Description

Benzothiazolium, 6-(2-Carboxyvinyl)-2-[3-[6-(2-Carboxyvinyl)-3-Ethyl-2-Benzothiazolinylidene]Propenyl]-3-Ethyl- (8Ci) is a specialized organic dye intermediate belonging to the cyanine dye family, known for its distinct chromophoric properties. This compound is valued for its role as a key building block in synthesizing advanced functional dyes and pigments with specific light-absorption characteristics. It is primarily required by manufacturers in the imaging, photographic, and specialty chemical sectors for research and production.

Application

• Sensitizing Dye Synthesis: A critical precursor for manufacturing cyanine and polymethine dyes used in photographic films and plates.
• Optical Recording Media: Used in the development of dyes for CD-R, DVD-R, and other optical data storage technologies.
• Laser and Nonlinear Optics: Serves as a starting material for dyes employed in laser technology, optical filters, and nonlinear optical applications.
• Biomedical Staining: Potential use as an intermediate for fluorescent probes and stains in biological imaging and diagnostics.
• Organic Photovoltaic Research: Investigated as a component in the development of light-harvesting materials for solar cells.
• Analytical Chemistry: Can be utilized as a reagent or standard in chromatographic and spectroscopic analysis methods.

Basic Information

Item	Details
Product Name	Benzothiazolium, 6-(2-Carboxyvinyl)-2-[3-[6-(2-Carboxyvinyl)-3-Ethyl-2-Benzothiazolinylidene]Propenyl]-3-Ethyl- (8Ci)
CAS No.	26945-83-5
Molecular Formula	C26H24N2O4S2
Molecular Weight	492.61 g/mol
Synonyms	3-Ethyl-2-[3-(3-ethyl-6-(2-carboxyvinyl)benzothiazol-2(3H)-ylidene)propenyl]-6-(2-carboxyvinyl)benzothiazolium; 2-[3-[6-(2-Carboxyvinyl)-3-ethyl-2-benzothiazolinylidene]-1-propenyl]-3-ethyl-6-(2-carboxyvinyl)benzothiazolium; Cyanine dye intermediate; Benzothiazolium dye precursor; 26945-83-5; (E,E)-isomer of a carbocyanine dye acid
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols. Each batch is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry to ensure structural integrity and purity. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles 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, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, handling should be conducted under appropriate lighting conditions to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 2.0%
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.