Description

5,6-Dichloro-2-[3-[5,6-Dichloro-1-Ethyl-3-(4-Sulfobutyl)Benzimidazol-2-Ylidene]Propenyl]-1-Ethyl-3-(4-Sulfobutyl)Benzimidazolium, Inner Salt is a high-purity, functionalized benzimidazolium dye intermediate. This compound matters for its role as a key precursor in synthesizing specialized cyanine and polymethine dyes, which are critical for advanced optical applications. Industrial and research chemists in the photographic, optical data storage, and laser dye manufacturing sectors require this material for developing products with specific light-absorption and emission properties.

Application

• Cyanine Dye Synthesis: Serves as a crucial building block for producing heptamethine cyanine dyes used in infrared sensitization.
• Optical Recording Media: A key intermediate in manufacturing dyes for CD-R, DVD-R, and other optical data storage technologies.
• Laser Dye Production: Used in the preparation of near-infrared (NIR) laser dyes for medical, scientific, and defense applications.
• Photographic Sensitizers: Employed in the formulation of advanced photographic emulsions to extend spectral sensitivity.
• Biomedical Imaging Probes: A precursor for labeling and contrast agents used in fluorescence-based bioassays and imaging.
• Non-linear Optical Materials: Utilized in research for developing organic materials with specific electro-optical properties.

Basic Information

Product Name	5,6-Dichloro-2-[3-[5,6-Dichloro-1-Ethyl-3-(4-Sulfobutyl)Benzimidazol-2-Ylidene]Propenyl]-1-Ethyl-3-(4-Sulfobutyl)Benzimidazolium, Inner Salt
CAS No.	10049-96-4
Molecular Formula	C34H40Cl4N4O6S2
Molecular Weight	806.64 g/mol
Synonyms	IR-1061 Precursor; 1,1',3,3'-Tetraethyl-5,5',6,6'-tetrachloro-benzimidazolocarbocyanine, inner salt; NK-2014; Heptamethine cyanine dye intermediate; 5,5',6,6'-Tetrachloro-1,1',3,3'-tetraethylbenzimidazolocarbocyanine, betaine; Sulfoindocyanine dye intermediate; Benzimidazolium, 5,6-dichloro-2-[3-[5,6-dichloro-1-ethyl-3-(4-sulfobutyl)-1H-benzimidazol-2-ylidene]-1-propen-1-yl]-1-ethyl-3-(4-sulfobutyl)-, inner salt
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, typically exceeding 95% (HPLC). Each lot is characterized by NMR, HPLC, and mass spectrometry to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment, supporting your R&D and manufacturing quality systems.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to prevent degradation. Keep the container sealed to protect from moisture.

Specification

Item	Specification
Appearance	Dark green to blue-black powder or crystals
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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