Description

3-Ethyl-2-[2-[(3-Ethyl-3H-Benzoxazol-2-Ylidene)Methyl]But-1-Enyl]Benzoxazolium Iodide is a specialized cyanine dye salt, a high-value intermediate prized for its strong light-absorbing and fluorescent properties. Its primary commercial value lies in its role as a key precursor for synthesizing near-infrared (NIR) dyes and sensitizers used in advanced optical applications. This compound is essential for manufacturers and R&D facilities in the photonics, imaging, and specialty chemical sectors seeking to develop next-generation materials.

Application

• NIR Dye Synthesis: A critical building block for producing heptamethine cyanine dyes used in bioimaging and medical diagnostics.
• Optical Sensitizer Production: Used in the manufacture of sensitizers for photographic films, laser materials, and nonlinear optical (NLO) devices.
• Research & Development: Serves as a key intermediate in academic and industrial R&D for exploring new fluorescent probes and markers.
• Photodynamic Therapy (PDT) Agents: A precursor in the development of photosensitizers for targeted cancer therapies.
• Security Inks & Taggants: Utilized in formulating specialized inks with unique fluorescent signatures for anti-counterfeiting and brand protection.
• Semiconductor & Solar Cell Research: Investigated for use in dye-sensitized solar cells (DSSCs) and other optoelectronic applications.

Basic Information

Product Name	3-Ethyl-2-[2-[(3-Ethyl-3H-Benzoxazol-2-Ylidene)Methyl]But-1-Enyl]Benzoxazolium Iodide
CAS No.	1054-00-8
Molecular Formula	C23H23IN2O2
Molecular Weight	510.35 g/mol
Synonyms	3-Ethyl-2-[(1E,3E)-4-(3-ethyl-1,3-benzoxazol-2(3H)-ylidene)but-1-en-1-yl]-1,3-benzoxazol-3-ium iodide; 2-[2-[(3-Ethyl-2(3H)-benzoxazolylidene)methyl]-1-butenyl]-3-ethylbenzoxazolium iodide; Cyanine dye intermediate; NIR dye precursor; Benzoxazolium, 3-ethyl-2-[2-[(3-ethyl-3H-benzoxazol-2-ylidene)methyl]-1-butenyl]-, iodide; Heptamethine cyanine dye precursor
EINECS	Contact for details

Quality Control

Our production of 3-Ethyl-2-[2-[(3-Ethyl-3H-Benzoxazol-2-Ylidene)Methyl]But-1-Enyl]Benzoxazolium Iodide adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets precise customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided to guarantee traceability and compliance with your project requirements.

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 light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Standard Grade)
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 0.5 %
Heavy Metals	≤ 20 ppm

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