Description

2-[2-[(5-Chloro-3-Ethyl-3H-Benzothiazol-2-Ylidene)Methyl]But-1-Enyl]-5,6-Dimethyl-3-(3-Sulphonatopropyl)Benzothiazolium is a specialized benzothiazolium dye derivative, valued for its unique photophysical properties and water-solubility imparted by the sulphonatopropyl group. This compound is critical for applications requiring precise light absorption and emission characteristics in advanced material science. It is primarily sought by manufacturers and researchers in the photographic, optical data storage, and dye laser industries, where performance and purity are paramount.

Application

• Photosensitizer and Spectral Sensitizer in advanced photographic films and plates.
• Active Medium Component in tunable dye lasers for scientific and medical instrumentation.
• Optical Data Storage materials for next-generation recording media.
• Non-linear Optical (NLO) Materials research and development.
• Fluorescent Probe/Tracer in specialized analytical and biochemical assays.
• Light-Harvesting Component in experimental photovoltaic and photocatalytic systems.

Basic Information

Product Name	2-[2-[(5-Chloro-3-Ethyl-3H-Benzothiazol-2-Ylidene)Methyl]But-1-Enyl]-5,6-Dimethyl-3-(3-Sulphonatopropyl)Benzothiazolium
CAS No.	29213-78-3
Molecular Formula	C27H30ClN2O3S2- (Anion) + Counterion
Molecular Weight	Contact for details
Synonyms	5-Chloro-3-ethyl-2-[2-[5,6-dimethyl-3-(3-sulfonatopropyl)-2(3H)-benzothiazolylidene]ethylidene]-2,3-dihydrobenzothiazolium; Benzothiazolium, 2-[2-[(5-chloro-3-ethyl-2(3H)-benzothiazolylidene)methyl]-1-butenyl]-5,6-dimethyl-3-(3-sulfopropyl)-, inner salt; Cyanine dye derivative; Sulfoalkyl benzothiazolium cyanine; Water-soluble benzothiazole dye; 29213-78-3; Photosensitizing cyanine dye.
EINECS	Contact for details

Quality Control

Our production of this high-purity specialty chemical adheres to stringent quality protocols. Every batch is characterized and tested to ensure consistent spectral properties, purity, and performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay (HPLC), impurity profile, and other critical parameters is provided with each shipment to guarantee it meets your specific research or manufacturing requirements.

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 product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed in a low-humidity environment to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black powder or crystals
Identification (IR)	Conforms to structure
Identification (UV-Vis)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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