Description

Hydrogen [4-[4-(Diethylamino)-α-(3,7-Disulphonato-1-Naphthyl)Benzylidene]Cyclohexa-2,5-Dien-1-Ylidene]Diethylammonium, Ammonium Salt is a high-purity, water-soluble anionic dye belonging to the polymethine cyanine class, characterized by its distinctive near-infrared (NIR) absorption and fluorescence properties. This compound is critical for advanced applications requiring precise optical detection and labeling due to its excellent photostability and high molar absorptivity. It is an essential material for research and development laboratories, diagnostic kit manufacturers, and industrial sectors focused on optical sensing and imaging technologies.

Application

• Biological Staining and Imaging: Used as a fluorescent probe for labeling proteins, nucleic acids, and cellular structures in fluorescence microscopy and flow cytometry.
• Diagnostic Assays: Serves as a key component in the development of enzyme-linked immunosorbent assays (ELISA), lateral flow assays, and other diagnostic test strips.
• Optical Sensors: Incorporated into chemical sensors and biosensors for the detection of ions, gases, and biomolecules based on absorbance or fluorescence changes.
• Laser Dye and Photonics: Employed in tunable dye lasers and other photonic devices operating in the near-infrared spectral region.
• Material Science Research: Used in studies of energy transfer, solar cells, and as a model compound for investigating the photophysical properties of cyanine dyes.
• Industrial Colorants: Functions as a specialized colorant for inks, coatings, and plastics where specific NIR absorption characteristics are required.

Basic Information

Product Name	Hydrogen [4-[4-(Diethylamino)-α-(3,7-Disulphonato-1-Naphthyl)Benzylidene]Cyclohexa-2,5-Dien-1-Ylidene]Diethylammonium, Ammonium Salt
CAS No.	97890-03-4
Molecular Formula	C37H45N3O6S2 · xNH3
Molecular Weight	Contact for details
Synonyms	IR-783; IR 783 dye; NIR-783; Cyanine dye IR-783; 1H-Benz[e]indolium, 2-[2-[2-chloro-3-[(1,3-dihydro-1,3,3-trimethyl-2H-benz[e]indol-2-ylidene)ethylidene]-1-cyclohexen-1-yl]ethenyl]-1,3,3-trimethyl-, salt with 4-[4-(diethylamino)-α-(3,7-disulfo-1-naphthalenyl)benzylidene]-2,5-cyclohexadien-1-ylidenediethylammonium hydroxide (1:1); Ammonium, [4-[4-(diethylamino)-α-(3,7-disulfo-1-naphthyl)benzylidene]-2,5-cyclohexadien-1-ylidene]diethyl-, hydroxide, inner salt, compound with 2-[2-[2-chloro-3-[(1,3-dihydro-1,3,3-trimethyl-2H-benz[e]indol-2-ylidene)ethylidene]-1-cyclohexen-1-yl]ethenyl]-1,3,3-trimethyl-1H-benz[e]indolium (1:1)
EINECS	Contact for details

Quality Control

Our Hydrogen [4-[4-(Diethylamino)-α-(3,7-Disulphonato-1-Naphthyl)Benzylidene]Cyclohexa-2,5-Dien-1-Ylidene]Diethylammonium, Ammonium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity, UV-Vis spectroscopy for absorbance profile verification, and identity confirmation via IR and NMR, to ensure it meets the high standards required for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing all test results 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) and light-sensitive; prolonged exposure to air, moisture, or light may affect performance and stability. Keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Dark green to blue-black powder
Identification (IR)	Conforms to reference spectrum
Identification (UV-Vis)	λmax conforms to reference
Purity (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Residue on Ignition	≤ 1.0%
Absorbance Profile	As per reference standard

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