Description

3,3-Dimethyl-2-[2-[2-chloro-3-[2-[1,3-dihydro-3,3-dimethyl-5-sulfo-1-(4-sulfobutyl)-2H-indol-2-ylidene]ethylidene]-1-cyclohexen-1-yl]ethenyl]-5-sulfo-1-(4-sulfobutyl)-3H-indolium inner salt trisodium salt is a high-purity, water-soluble cyanine dye derivative engineered for advanced photonic and diagnostic applications. Its core value lies in its exceptional near-infrared (NIR) absorption and fluorescence properties, making it a critical functional component in sophisticated material science and life science research. This compound is essential for industries and research institutions developing next-generation optical sensors, biomedical imaging agents, and specialized photographic materials.

Application

• NIR Fluorescent Probes & Labels: Used as a key chromophore in the synthesis of fluorescent dyes and labels for bioimaging, flow cytometry, and in vivo diagnostic applications.
• Optical Sensor Fabrication: Incorporated into polymer matrices and thin films to create highly sensitive chemical sensors and pH indicators.
• Photographic Sensitizers: Serves as a spectral sensitizer in specialized photographic emulsions and holographic recording materials.
• Laser Dye & Nonlinear Optics: Utilized in the development of tunable dye lasers and materials for nonlinear optical studies due to its specific absorption profile.
• Solar Cell Research: Investigated as a potential photosensitizer in dye-sensitized solar cells (DSSCs) for light-harvesting applications.
• Analytical Reagent: Employed as a standard or reagent in analytical chemistry methods requiring NIR-active compounds.

Basic Information

Product Name	3,3-Dimethyl-2-[2-[2-chloro-3-[2-[1,3-dihydro-3,3-dimethyl-5-sulfo-1-(4-sulfobutyl)-2H-indol-2-ylidene]ethylidene]-1-cyclohexen-1-yl]ethenyl]-5-sulfo-1-(4-sulfobutyl)-3H-indolium inner salt trisodium salt
CAS No.	1252007-83-2
Molecular Formula	C43H51ClN2Na3O12S3
Molecular Weight	1021.48 g/mol (approx.)
Synonyms	IR-783; IR 783 dye; NIR Cyanine dye 783; 1,1',3,3,3',3'-Hexamethyl-4,4',5,5'-dibenzo-2,2'-indotricarbocyanine trisulfonate; 2-[2-[2-Chloro-3-[(1,3-dihydro-3,3-dimethyl-1-(4-sulfobutyl)-2H-indol-2-ylidene)ethylidene]-1-cyclohexen-1-yl]ethenyl]-3,3-dimethyl-1-(4-sulfobutyl)-3H-indolium-5-sulfonate, inner salt, trisodium salt; Heptamethine cyanine dye with sulfonate groups; Trisodium 2-[2-[2-chloro-3-[2-(1,3-dihydro-3,3-dimethyl-5-sulfo-1-(4-sulfobutyl)indol-2-ylidene)ethylidene]cyclohex-1-en-1-yl]vinyl]-3,3-dimethyl-5-sulfo-1-(4-sulfobutyl)-3H-indol-1-ium-3-ide
EINECS	Contact for details

Quality Control

Our production of this specialized cyanine dye adheres to rigorous quality control protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry to confirm identity, purity, and the absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your research and quality assurance 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). Due to its hygroscopic nature, the container should be kept in a desiccated environment to prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to blue-black powder
Identification (HPLC)	Conforms to reference standard
Identification (UV-Vis)	λmax conforms (typically ~783 nm in aqueous solution)
Purity (HPLC, Area %)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition (Sulfated Ash)	Contact for details
Heavy Metals (as Pb)	< 20 ppm
Solubility (in Water)	Freely soluble

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