Description

2-[2-[[3-(2-Carboxyethyl)-5-Chloro-3H-Benzothiazol-2-Ylidene]Methyl]But-1-Enyl]-5-Chloro-3-(3-Sulphonatopropyl)Benzothiazolium is a high-purity, functionalized benzothiazolium dye intermediate. This compound is valued for its precise molecular structure, which is critical for imparting specific optical and electronic properties in advanced applications. It is primarily sought by manufacturers in the specialty dyes, photographic sensitizers, and advanced material research sectors.

Application

• Sensitizing Dye for Silver Halide Photography: A key intermediate in the synthesis of cyanine dyes used to extend the spectral sensitivity of photographic emulsions.
• Optical Data Storage Media: Used in the research and development of recordable optical discs (e.g., CD-R, DVD-R) due to its light-absorbing properties.
• Non-Linear Optical (NLO) Materials: Serves as a building block for organic molecules with potential applications in photonics and electro-optics.
• Laser Dye Intermediate: A precursor in the synthesis of tunable laser dyes for scientific and medical instrumentation.
• Biomedical Staining and Labeling: Investigated for use in developing fluorescent probes and stains for cellular imaging and diagnostics.
• Organic Semiconductor Research: Used in the development of novel charge-transport materials for organic light-emitting diodes (OLEDs) and photovoltaics.

Basic Information

Product Name	2-[2-[[3-(2-Carboxyethyl)-5-Chloro-3H-Benzothiazol-2-Ylidene]Methyl]But-1-Enyl]-5-Chloro-3-(3-Sulphonatopropyl)Benzothiazolium
CAS No.	94232-70-9
Molecular Formula	C27H27Cl2N2O5S2
Molecular Weight	602.55 g/mol
Synonyms	5-Chloro-2-[2-[(E)-2-[3-(2-carboxyethyl)-5-chloro-1,3-benzothiazol-2-ylidene]ethylidene]-1-butenyl]-3-(3-sulfopropyl)-1,3-benzothiazolium; Benzothiazolium, 5-chloro-2-[2-[(E)-2-[3-(2-carboxyethyl)-5-chloro-2(3H)-benzothiazolylidene]ethylidene]-1-butenyl]-3-(3-sulfopropyl)-, inner salt; Cyanine dye derivative; Photographic sensitizer dye intermediate; Sulfonated benzothiazolium cyanine dye.
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to strict batch-to-batch consistency protocols. Quality is verified through advanced analytical techniques including HPLC, NMR, and mass spectrometry to ensure structural integrity and purity. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to support your R&D and manufacturing quality systems.

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 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 black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference retention time
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.