Description

2-[7-[1,3-dihydro-1,1-dimethyl-3-(4-sulphonatobutyl)-2H-benz[e]indol-2-ylidene]hepta-1,3,5-trienyl]-1,1-dimethyl-3-(4-sulphonatobutyl)-1H-benz[e]indolium disodium iodide is a high-purity, water-soluble cyanine dye derivative, valued for its strong near-infrared (NIR) absorption and fluorescence properties. This compound is essential for advanced research and industrial applications requiring precise optical detection and labeling. It is primarily utilized by professionals in the biotechnology, medical diagnostics, and materials science sectors.

Application

• Fluorescent Labeling Agent: Used as a covalent or non-covalent tag for biomolecules (proteins, nucleic acids) in fluorescence microscopy and bioassays.
• Optical Imaging Probe: Serves as a contrast agent in non-invasive in vivo imaging and preclinical research due to its NIR emission.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer for targeted cancer therapies.
• Sensor Development: Incorporated into chemical sensors and biosensors for the detection of specific analytes.
• Laser Dye & Optical Material: Employed in the formulation of tunable dye lasers and advanced optical materials.
• Industrial Process Control: Acts as a tracer or marker in specialized industrial fluid systems.

Basic Information

Product Name	2-[7-[1,3-dihydro-1,1-dimethyl-3-(4-sulphonatobutyl)-2H-benz[e]indol-2-ylidene]hepta-1,3,5-trienyl]-1,1-dimethyl-3-(4-sulphonatobutyl)-1H-benz[e]indolium disodium iodide
CAS No.	63450-67-9
Molecular Formula	C47H55N2O6S2·2Na·I
Molecular Weight	~ 949.0 g/mol
Synonyms	IR-783; Benz[e]indolium, 2-[7-(1,1-dimethyl-3-(4-sulfonatobutyl)-1,3-dihydro-2H-benz[e]indol-2-ylidene)-1,3,5-heptatrienyl]-1,1-dimethyl-3-(4-sulfonatobutyl)-, inner salt, disodium salt, iodide; NIR-783; Cyanine dye IR-783; 1H-Benz[e]indolium, 2-[7-[1,3-dihydro-1,1-dimethyl-3-(4-sulfonatobutyl)-2H-benz[e]indol-2-ylidene]-1,3,5-heptatrienyl]-1,1-dimethyl-3-(4-sulfonatobutyl)-, hydroxide, inner salt, disodium salt, iodide; Disodium 2-[7-[1,1-dimethyl-3-(4-sulfonatobutyl)benz[e]indol-2-ylidene]hepta-1,3,5-trienyl]-1,1-dimethyl-3-(4-sulfonatobutyl)-1H-benz[e]indol-3-ium-3-olate iodide
EINECS	Contact for details

Quality Control

Our 2-[7-[1,3-dihydro-1,1-dimethyl-3-(4-sulphonatobutyl)-2H-benz[e]indol-2-ylidene]hepta-1,3,5-trienyl]-1,1-dimethyl-3-(4-sulphonatobutyl)-1H-benz[e]indolium disodium iodide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectral analysis for identity confirmation, to ensure it meets the stringent requirements of research and industrial applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 blue-black powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Absorption (λmax)	783 ± 5 nm
Solubility (Water)	Freely soluble

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