Description

3-[2-(Acetoxy)Ethyl]-2-[3-[3-[2-(Acetoxy)Ethyl]-5-Cyano-1-Ethyl-1,3-Dihydro-2H-Benzimidazol-2-Ylidene]-1-Propenyl]-5-Cyano-1-Ethyl-1H-Benzimidazolium Bromide is a high-purity, specialized cyanine dye derivative, a key intermediate in advanced material synthesis. Its value lies in its precise molecular structure, which provides excellent photosensitivity and tunable electronic properties for cutting-edge applications. This compound is essential for research and development laboratories and industrial manufacturers in the photonics, imaging, and specialty chemical sectors seeking reliable, high-quality intermediates.

Application

• Photosensitizer Intermediate: A critical building block for synthesizing next-generation cyanine and polymethine dyes used in photodynamic therapy and optical materials.
• Optical Data Storage: Used in the development of advanced recording layers for high-density optical disks and holographic media.
• Non-Linear Optical (NLO) Materials: Serves as a precursor for organic chromophores with high second- or third-order optical non-linearity for telecommunications and photonic devices.
• Bioimaging Probes: A key intermediate for constructing near-infrared (NIR) fluorescent dyes and labels for biological sensing and diagnostic imaging.
• Laser Dye Synthesis: Employed in the manufacture of tunable laser dyes for scientific and medical laser systems.
• Organic Photovoltaic (OPV) Research: Investigated as an electron donor or acceptor component in the development of novel organic solar cells.
• Chemical Sensor Development: Used to create sensitive layers for detecting specific ions or molecules based on optical signal changes.
• Academic & Industrial R&D: A valuable reagent for synthetic organic chemists exploring new functional dyes and advanced organic electronic materials.

Basic Information

Product Name	3-[2-(Acetoxy)Ethyl]-2-[3-[3-[2-(Acetoxy)Ethyl]-5-Cyano-1-Ethyl-1,3-Dihydro-2H-Benzimidazol-2-Ylidene]-1-Propenyl]-5-Cyano-1-Ethyl-1H-Benzimidazolium Bromide
CAS No.	53132-01-7
Molecular Formula	C₃₃H₃₄BrN₅O₄
Molecular Weight	644.56 g/mol
Synonyms	1-Ethyl-2-[3-(1-ethyl-5-cyano-1,3-dihydro-2H-benzimidazol-2-ylidene)-1-propenyl]-5-cyano-1H-benzimidazolium 3-(2-acetoxyethyl) bromide; Cyanine dye derivative 53132-01-7; Benzimidazolium, 3-[2-(acetyloxy)ethyl]-2-[3-[3-[2-(acetyloxy)ethyl]-5-cyano-1-ethyl-1,3-dihydro-2H-benzimidazol-2-ylidene]-1-propenyl]-5-cyano-1-ethyl-, bromide (1:1); 1H-Benzimidazolium, 3-[2-(acetyloxy)ethyl]-2-[3-[3-[2-(acetyloxy)ethyl]-5-cyano-1-ethyl-1,3-dihydro-2H-benzimidazol-2-ylidene]-1-propenyl]-5-cyano-1-ethyl-, bromide; Photosensitive cyanine intermediate; Acetoxyethyl cyanine bromide derivative
EINECS	Contact for details

Quality Control

Our 3-[2-(Acetoxy)Ethyl]-2-[3-[3-[2-(Acetoxy)Ethyl]-5-Cyano-1-Ethyl-1,3-Dihydro-2H-Benzimidazol-2-Ylidene]-1-Propenyl]-5-Cyano-1-Ethyl-1H-Benzimidazolium Bromide is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request 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). The container should be kept in a well-ventilated area and protected from moisture. For long-term storage, consider inert gas purging.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
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.