Description

2-[2-[2-Chloro-3-[2-(1,3-Dihydro-1,3,3-Trimethyl-2H-Indol-2-Ylidene)Ethylidene]-1-Cyclohexen-1-Yl]Ethenyl]-1,3,3-Trimethyl-3H-Indolium Bromide is a high-purity, functional cyanine dye salt, valued for its strong near-infrared (NIR) absorption and fluorescence properties. This compound is essential for advanced research and development in photonics and life sciences, where precise optical characteristics are critical. It is primarily sought by manufacturers and researchers in the fields of optical data storage, laser technology, and as a specialized fluorescent probe or sensitizer.

Application

• NIR-Absorbing Dye for Optical Data Storage: Used in the formulation of recording layers for high-density CDs, DVDs, and next-generation optical disks.
• Laser Dye and Optical Limiter: Functions as a gain medium in tunable dye lasers operating in the near-infrared region and in devices for laser protection.
• Fluorescent Labeling and Sensing: Serves as a specialized fluorescent tag or probe in bioimaging, biochemical assays, and sensor development due to its distinct emission profile.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer for medical applications targeting specific tissues.
• Nonlinear Optical Materials: A key component in the development of organic materials for photonic devices, switches, and modulators.
• Industrial Photochemistry: Employed in photoinitiator systems and photocurable coatings and inks requiring NIR activation.

Basic Information

Product Name	2-[2-[2-Chloro-3-[2-(1,3-Dihydro-1,3,3-Trimethyl-2H-Indol-2-Ylidene)Ethylidene]-1-Cyclohexen-1-Yl]Ethenyl]-1,3,3-Trimethyl-3H-Indolium Bromide
CAS No.	212964-63-1
Molecular Formula	C31H34BrClN2
Molecular Weight	573.97 g/mol
Synonyms	IR-780 Iodide Analog (Bromide); Cyanine Dye IR-780 Bromide; 2-[2-[2-Chloro-3-[(1E,3E)-4-(1,3,3-trimethylindolin-2-ylidene)but-1-en-1-yl]cyclohex-1-en-1-yl]ethenyl]-1,3,3-trimethyl-3H-indol-1-ium bromide; NIR-780 Bromide; 1,3,3-Trimethyl-2-[2-[2-chloro-3-[(1E,3E)-4-(1,3,3-trimethyl-2-indolinylidene)-1,3-butadien-1-yl]-1-cyclohexen-1-yl]ethenyl]-3H-indolium bromide; Heptamethine Cyanine Dye Bromide Salt; Cryptocyanine Derivative
EINECS	Contact for details

Quality Control

Our production of this cyanine dye adheres to strict quality protocols to ensure batch-to-batch consistency and optimal performance. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and UV-Vis-NIR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key optical properties 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 material is hygroscopic (moisture-sensitive); ensure the container is sealed under an inert atmosphere or with desiccant to maintain stability and prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (UV-Vis)	Conforms (λmax in NIR region)
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.