Description

2-[5-[3-(5-Carboxypentyl)-1,3-Dihydro-1,1-Dimethyl-2H-Benz[E]Indol-2-Ylidene]-1,3-Pentadienyl]-3-Ethyl-1,1-Dimethyl-1H-Benz[E]Indolium Inner Salt is a specialized cyanine dye derivative, a high-value functional chemical prized for its unique photophysical properties. This compound is critical for applications requiring precise light absorption and emission characteristics, such as in advanced optical materials and biological labeling. It is primarily utilized by research institutions and industrial manufacturers in the fields of biotechnology, analytical chemistry, and materials science.

Application

• Fluorescent Labeling Agent: Used as a near-infrared (NIR) fluorescent probe for labeling proteins, nucleic acids, and other biomolecules in bioassays and diagnostics.
• Optical Sensor Component: Incorporated into sensor materials for the detection of ions, gases, or specific analytes due to its sensitive spectral shifts.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer in medical research for targeted cancer treatments.
• Non-Linear Optical Materials: Serves as a key chromophore in the development of advanced materials for photonics and laser technology.
• Solar Cell Research: Used in dye-sensitized solar cells (DSSCs) and organic photovoltaics to enhance light-harvesting efficiency.
• Analytical Reagent: Functions as a staining agent in gel electrophoresis and other chromatographic techniques for visualization.

Basic Information

Item	Details
Product Name	2-[5-[3-(5-Carboxypentyl)-1,3-Dihydro-1,1-Dimethyl-2H-Benz[E]Indol-2-Ylidene]-1,3-Pentadienyl]-3-Ethyl-1,1-Dimethyl-1H-Benz[E]Indolium Inner Salt
CAS No.	210834-22-3
Molecular Formula	C43H50N2O2
Molecular Weight	626.88 g/mol
Synonyms	IR-786; IR786; IR 786 dye; Benz[e]indolium, 2-[5-[3-(5-carboxypentyl)-1,3-dihydro-1,1-dimethyl-2H-benz[e]indol-2-ylidene]-1,3-pentadienyl]-3-ethyl-1,1-dimethyl-, inner salt; 3-Ethyl-2-[5-(3-ethyl-1,1-dimethyl-1,3-dihydro-2H-benz[e]indol-2-ylidene)-1,3-pentadienyl]-1,1-dimethyl-1H-benz[e]indolium-5-carboxylic acid (inner salt form); Cyanine dye IR-786; NIR dye 786
EINECS	Contact for details

Quality Control

Our production of this high-purity functional dye adheres to stringent quality protocols. Every batch is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry to confirm identity, purity, and spectral properties. We provide comprehensive Certificates of Analysis (COA) detailing all specifications, ensuring traceability and consistency for your critical research and manufacturing processes.

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 sealed under inert atmosphere or with desiccant to maintain stability.

Specification

Item	Specification
Appearance	Dark green to blue-black powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Absorption Max (λmax)	~786 nm (in methanol)
Emission Max	~810 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.