Description

5-Carbethoxy-1-Ethyl-3-(3-Sulfopropyl)-2-[3-(5-Carbethoxy-1,3-Diethyl-1,3-Dihydro-2H-Benzimidazol-2-Ylidene)-1-Propenyl]-1H-Benzimidazolium Inner Salt is a specialized benzimidazolium derivative, recognized for its unique zwitterionic structure and functional properties. This compound is valued for its role as a key intermediate and functional dye precursor in advanced material synthesis. It is primarily sought by research and development teams in the photographic, dye, and specialty chemical industries for creating novel colorants and functional materials.

Application

• Sensitizing Dye Intermediate: A critical precursor in the synthesis of cyanine and other polymethine dyes used in photographic films and digital imaging technologies.
• Functional Dye Synthesis: Serves as a building block for creating specialized dyes with applications in laser media, non-linear optics, and light-harvesting materials.
• Biomedical Staining: Potential use in the development of fluorescent probes and stains for biological imaging and diagnostic assays.
• Material Science Research: Utilized in academic and industrial R&D for studying charge-transfer complexes and developing new organic electronic materials.
• Analytical Chemistry: Can be employed as a reagent or standard in chromatographic and spectroscopic method development.

Basic Information

Product Name	5-Carbethoxy-1-Ethyl-3-(3-Sulfopropyl)-2-[3-(5-Carbethoxy-1,3-Diethyl-1,3-Dihydro-2H-Benzimidazol-2-Ylidene)-1-Propenyl]-1H-Benzimidazolium Inner Salt
CAS No.	32634-40-5
Molecular Formula	C₃₃H₄₀N₄O₆S
Molecular Weight	620.76 g/mol
Synonyms	1-Ethyl-3-(3-sulfopropyl)-5-carbethoxy-2-[3-(1,3-diethyl-5-carbethoxy-2-benzimidazolinylidene)-1-propenyl]benzimidazolium Hydroxide, Inner Salt; Benzimidazolium, 5-(ethoxycarbonyl)-1-ethyl-3-(3-sulfopropyl)-2-[3-[5-(ethoxycarbonyl)-1,3-diethyl-1,3-dihydro-2H-benzimidazol-2-ylidene]-1-propenyl]-, inner salt; Cyanine dye intermediate; Sulfopropyl benzimidazolium dye salt; Zwitterionic benzimidazolium compound.
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to stringent 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 identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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 compound is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed in a dry environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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