Description

2-[3-[5,6-Dichloro-1-Ethyl-3-(3-Sulfobutyl)-1H-Benzimidazole-2(3H)-Ylidene]-1-Propenyl]-5,6-Dichloro-1-Ethyl-3-(3-Sulfonatobutyl)-1H-Benzimidazole-3-Ium is a high-purity, symmetrical cyanine dye derivative, valued for its strong near-infrared absorption and fluorescence properties. This compound is essential for advanced research and development requiring precise optical characteristics. It is primarily utilized by manufacturers and researchers in the biotechnology, medical diagnostics, and analytical chemistry sectors for applications such as fluorescent labeling and spectral analysis.

Application

• Fluorescent Labeling Agent: Used as a near-infrared (NIR) fluorescent probe for labeling proteins, nucleic acids, and other biomolecules in bioassays and imaging.
• Biological Staining: Employed in histological and cytological studies for staining cellular components to enhance contrast and detection under fluorescence microscopy.
• Optical Sensor Development: A key component in the fabrication of chemical and biochemical optical sensors due to its specific spectral response.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer in preclinical research for cancer treatment.
• Laser Dye: Can be utilized as a gain medium in tunable dye lasers operating in specific wavelength ranges.
• Non-linear Optical Materials: Serves as a building block for advanced materials used in photonics and optoelectronics research.
• Analytical Reagent: Acts as a sensitive reagent in spectrophotometric and fluorometric analytical methods for trace detection.

Basic Information

Item	Details
Product Name	2-[3-[5,6-Dichloro-1-Ethyl-3-(3-Sulfobutyl)-1H-Benzimidazole-2(3H)-Ylidene]-1-Propenyl]-5,6-Dichloro-1-Ethyl-3-(3-Sulfonatobutyl)-1H-Benzimidazole-3-Ium
CAS No.	3324-99-0
Molecular Formula	C34H42Cl4N4O6S2
Molecular Weight	788.66 g/mol
Synonyms	Dye 3324-99-0; Benzimidazolium, 2-[3-[5,6-dichloro-1-ethyl-3-(3-sulfobutyl)-1H-benzimidazol-2(3H)-ylidene]-1-propenyl]-5,6-dichloro-1-ethyl-3-(3-sulfonatobutyl)-, inner salt; Cyanine dye 3324-99-0; NIR dye 3324-99-0; Symmetrical cyanine dye; 1H-Benzimidazolium, 2-[3-[5,6-dichloro-1-ethyl-3-(3-sulfobutyl)-1H-benzimidazol-2(3H)-ylidene]-1-propenyl]-5,6-dichloro-1-ethyl-3-(3-sulfonatobutyl)-, hydroxide, inner salt
EINECS	Contact for details

Quality Control

Our 2-[3-[5,6-Dichloro-1-Ethyl-3-(3-Sulfobutyl)-1H-Benzimidazole-2(3H)-Ylidene]-1-Propenyl]-5,6-Dichloro-1-Ethyl-3-(3-Sulfonatobutyl)-1H-Benzimidazole-3-Ium is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and performance consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, absorbance, and impurity profile.

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) and light-sensitive; therefore, containers must be kept tightly sealed in a desiccated environment away from direct light exposure to maintain stability and prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0 %
Absorbance (λ max)	Conforms to reference
Heavy Metals	≤ 20 ppm

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