Description

1-Ethyl-4-[3-(3-Ethyl-3H-Benzoxazol-2-Ylidene)Prop-1-Enyl]Quinolinium Iodide is a specialized cyanine dye salt, a high-value organic compound with the CAS number 32151-96-5. This product is valued for its strong light-absorbing and fluorescent properties, making it a critical functional material in advanced research and manufacturing. It is primarily sought after by R&D laboratories and industrial producers in the photonics, imaging, and specialty chemical sectors.

Application

• Laser Dye and Optical Material: Used as a gain medium or saturable absorber in tunable dye lasers and other photonic devices.
• Fluorescent Labeling and Probes: Serves as a key chromophore for developing fluorescent probes in biochemical and cellular imaging applications.
• Nonlinear Optics (NLO): Investigated for use in optical limiting, switching, and frequency conversion technologies due to its large nonlinear optical susceptibility.
• Photodynamic Therapy (PDT) Research: Studied as a potential photosensitizer for targeted light-activated medical treatments.
• Organic Semiconductor Research: A candidate material for organic light-emitting diodes (OLEDs) and photovoltaic cells.
• Spectral Sensitizer: Can be applied to extend the spectral sensitivity of photographic emulsions and other light-sensitive materials.

Basic Information

Product Name	1-Ethyl-4-[3-(3-Ethyl-3H-Benzoxazol-2-Ylidene)Prop-1-Enyl]Quinolinium Iodide
CAS No.	32151-96-5
Molecular Formula	C23H23IN2O
Molecular Weight	470.35 g/mol
Synonyms	1-Ethyl-4-[(3-Ethyl-2(3H)-benzoxazolylidene)propenyl]quinolinium Iodide; Quinolinium, 1-ethyl-4-[3-(3-ethyl-2(3H)-benzoxazolylidene)-1-propen-1-yl]-, iodide; Cyanine Dye 7210; Cryptocyanine; 1,1'-Diethyl-4,4'-carbocyanine Iodide (related class); NK-3212; NK 3212; Dye Q-1
EINECS	Contact for details

Quality Control

Our production of this high-purity specialty dye adheres to strict in-process controls to ensure batch-to-batch consistency and optimal performance. Every lot is characterized using advanced analytical techniques including HPLC, NMR, and UV-Vis spectroscopy to confirm identity, purity, and spectral properties. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

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 material is hygroscopic (moisture-sensitive) and light-sensitive; ensure the container is kept sealed in a desiccated environment to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to bronze crystalline powder
Identification (IR)	Conforms to structure
Identification (UV-Vis)	Conforms (λmax ~710 nm in methanol)
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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