Description

5,6-Dichloro-1-Ethyl-3-Sulfobutyl-2-(3-(5,6-Dichloro-1-Ethyl-3-Sulfobutyl Benzimidazolinylidene-1-Propenyl) Benzimidazolium Hydroxide, Inner Salt,Sodium Salt is a high-purity, functionalized benzimidazolium dye intermediate. This compound is valued for its unique zwitterionic structure and spectral properties, making it a critical component in advanced material synthesis. It is primarily sought by manufacturers in the specialty chemical, optical material, and high-performance dye industries for research and production.

Application

• Synthesis of Near-Infrared (NIR) Cyanine Dyes: A key precursor for creating heptamethine cyanine dyes used in bioimaging and medical diagnostics.
• Optical Material Production: Used in the development of non-linear optical (NLO) materials and laser dyes.
• Functional Polymer Modification: Serves as a monomer or additive to impart specific ionic and chromophoric properties to polymers.
• Photodynamic Therapy (PDT) Agents: A building block for photosensitizers used in cancer treatment research.
• Sensor and Probe Fabrication: Employed in the creation of chemical sensors and fluorescent probes due to its tunable emission characteristics.
• Specialty Ink Formulations: Used in high-security and specialty printing inks requiring specific infrared absorption.

Basic Information

Item	Details
Product Name	5,6-Dichloro-1-Ethyl-3-Sulfobutyl-2-(3-(5,6-Dichloro-1-Ethyl-3-Sulfobutyl Benzimidazolinylidene-1-Propenyl) Benzimidazolium Hydroxide, Inner Salt,Sodium Salt
CAS No.	18462-64-1
Molecular Formula	C30H36Cl4N4O6S2Na
Molecular Weight	776.52 g/mol
Synonyms	IR-780 related precursor; Benzimidazolium, inner salt derivative; Sodium 5,6-dichloro-1-ethyl-3-sulfobutyl-2-[3-(5,6-dichloro-1-ethyl-3-sulfobutyl-1H-benzimidazol-2-yl)-1-propenyl]-1H-benzimidazolium hydroxide; Heptamethine cyanine dye intermediate; NIR dye intermediate; Zwitterionic benzimidazole dye; 18462-64-1
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your R&D and quality assurance 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) and must be kept in a desiccated environment to maintain stability. For long-term storage, consider using an inert atmosphere.

Specification

Item	Specification
Appearance	Dark green to blue-black powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 3.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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