Description

Benzothiazolium, 6-(2-Carboxypropenyl)-2-[3-[6-(2-Carboxypropenyl)-3-Ethyl-2-Benzothiazolinylidene]Propenyl]-3-Ethyl- (8Ci) is a specialized organic dye intermediate belonging to the cyanine dye family, characterized by its extended conjugated system. This compound matters for its role as a key precursor in synthesizing near-infrared (NIR) absorbing and fluorescent dyes, offering precise optical properties. It is primarily needed by manufacturers in the optical materials, imaging, and high-tech sensor industries.

Application

• NIR Dye Synthesis: A critical building block for producing cyanine dyes with absorption and emission in the near-infrared spectrum.
• Optical Data Storage: Used in the development of advanced materials for recordable media (e.g., CD-R, DVD-R).
• Bioimaging & Medical Diagnostics: Serves as a precursor for fluorescent probes used in in-vivo imaging, cell labeling, and diagnostic assays.
• Laser & Photonic Materials: Incorporated into materials for dye lasers, optical switches, and non-linear optical applications.
• Sensor Technology: Used in the fabrication of chemical sensors and biosensors that utilize specific light absorption properties.
• Photodynamic Therapy (PDT): Potential use in the synthesis of photosensitizers for targeted cancer treatments.

Basic Information

Item	Details
Product Name	Benzothiazolium, 6-(2-Carboxypropenyl)-2-[3-[6-(2-Carboxypropenyl)-3-Ethyl-2-Benzothiazolinylidene]Propenyl]-3-Ethyl- (8Ci)
CAS No.	801144-03-6
Molecular Formula	C30H28N2O4S2
Molecular Weight	544.68 g/mol
Synonyms	6-(2-Carboxypropenyl)-2-[3-[6-(2-Carboxypropenyl)-3-ethyl-2-benzothiazolinylidene]propenyl]-3-ethylbenzothiazolium; Cyanine dye derivative; Benzothiazolium heptamethine dye intermediate; 3-Ethyl-2-[3-(3-ethyl-6-(2-methylacryloyl)-2-benzothiazolinylidene)propenyl]-6-(2-methylacryloyl)benzothiazolium; NIR dye precursor; 8CI compound 801144-03-6; Light-sensitive benzothiazolium salt
EINECS	Contact for details

Quality Control

Our Benzothiazolium dye intermediate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity, NMR for structural confirmation, and spectrophotometry for optical property verification, to ensure it meets precise customer specifications. Certificates of Analysis (COA) detailing all test results are 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 material is light-sensitive (store away from light) and should be handled under an inert atmosphere if prolonged exposure is anticipated 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)	≤ 1.0%
Residue on Ignition	≤ 0.5%
λmax (Absorption)	Contact for details

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