Description

2-[3-[5-Chloro-3-Ethyl-1,3-Dihydro-1-(3-Sulphonatopropyl)-6-(Trifluoromethyl)-2H-Benzimidazol-2-Ylidene]Prop-1-Enyl]-3-Ethylbenzoxazolium is a high-purity, functional organic salt belonging to the cyanine dye family. This compound is valued for its strong near-infrared (NIR) absorption and fluorescence properties, making it a critical component in advanced optical applications. It is primarily sought after by manufacturers and research institutions in the photonics, biomedical imaging, and specialty chemical synthesis sectors.

Application

• NIR Fluorescent Dye Synthesis: A key intermediate for producing cyanine dyes used in bioimaging and diagnostic assays.
• Optical Sensor Fabrication: Used in the development of chemical sensors and biosensors that operate in the near-infrared spectrum.
• Laser Technology: Serves as a gain medium or saturable absorber in tunable dye lasers and optical amplifiers.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer for targeted cancer treatments.
• Non-Linear Optical Materials: Incorporated into polymers and crystals for applications in optoelectronics and photonics.
• Analytical Reagent: Used as a staining agent or fluorescent tag in gel electrophoresis and chromatography.

Basic Information

Item	Details
Product Name	2-[3-[5-Chloro-3-Ethyl-1,3-Dihydro-1-(3-Sulphonatopropyl)-6-(Trifluoromethyl)-2H-Benzimidazol-2-Ylidene]Prop-1-Enyl]-3-Ethylbenzoxazolium
CAS No.	83783-58-8
Molecular Formula	C26H28ClF3N3O4S
Molecular Weight	570.03 g/mol
Synonyms	IR-783; Benzoxazolium, 2-[3-[5-chloro-3-ethyl-1,3-dihydro-1-(3-sulfonatopropyl)-6-(trifluoromethyl)-2H-benzimidazol-2-ylidene]-1-propenyl]-3-ethyl-, inner salt; 3-Ethyl-2-[3-(3-ethyl-5-chloro-1-(3-sulfonatopropyl)benzimidazol-2-ylidene)propenyl]benzoxazolium; Cyanine dye IR-783; NIR dye 783; Heptamethine cyanine dye sulfonate; 1H-Benzimidazolium, 2-[2-[3-(1,3-dihydro-3,3-dimethyl-1-(3-sulfopropyl)-2H-indol-2-ylidene)ethylidene]-1-cyclopenten-1-yl]ethenyl]-3,3-dimethyl-1-(3-sulfopropyl)-, inner salt (related compound).
EINECS	Contact for details

Quality Control

Our production of 2-[3-[5-Chloro-3-Ethyl-1,3-Dihydro-1-(3-Sulphonatopropyl)-6-(Trifluoromethyl)-2H-Benzimidazol-2-Ylidene]Prop-1-Enyl]-3-Ethylbenzoxazolium adheres to stringent quality protocols to ensure batch-to-batch consistency and high performance in sensitive applications. Each lot is characterized by advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, 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 place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	Dark green to blue-black powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
UV-Vis Absorption	λmax 783 nm ± 5 nm (in methanol)
Heavy Metals (as Pb)	≤ 20 ppm

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