Description

1-Ethyl-2-[3-(1-Ethylnaphtho[1,2-D]Thiazol-2(1H)-Ylidene)-1-Propenyl]Naphtho[1,2-D]Thiazolium Iodide is a high-purity, specialized cyanine dye salt with a complex polymethine structure. This compound is valued for its strong near-infrared (NIR) absorption and fluorescence properties, making it a critical functional material in advanced photonic and electronic applications. It is primarily sought by researchers and manufacturers in the fields of optical data storage, laser technology, and non-linear optics.

Application

• Optical Data Storage Media: As a key dye component in recordable (CD-R, DVD-R) and high-capacity optical discs.
• Laser Dyes & Optical Filters: For tuning laser wavelengths and manufacturing optical filters due to its sharp absorption bands.
• Non-Linear Optical (NLO) Materials: Used in the development of materials for frequency doubling, optical switching, and signal processing.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer agent in medical research applications.
• Semiconductor & Solar Cell Research: Utilized in dye-sensitized solar cells (DSSCs) and organic photovoltaics for light harvesting.
• Biomedical Imaging & Sensing: Employed as a fluorescent probe or label in NIR fluorescence imaging and bioanalytical assays.
• Security Inks & Dyes: For anti-counterfeiting applications in currency, documents, and high-value products.

Basic Information

Product Name	1-Ethyl-2-[3-(1-Ethylnaphtho[1,2-D]Thiazol-2(1H)-Ylidene)-1-Propenyl]Naphtho[1,2-D]Thiazolium Iodide
CAS No.	18359-88-1
Molecular Formula	C₃₁H₂₇IN₂S₂
Molecular Weight	642.58 g/mol
Synonyms	NK-2014; 1-Ethyl-2-[3-(1-ethyl-1,3-dihydrobenzo[cd]indol-2-ylidene)propen-1-yl]benzo[cd]indolium iodide; Naphtho[1,2-d]thiazolium, 1-ethyl-2-[3-(1-ethyl-1,3-dihydrobenzo[cd]indol-2-ylidene)-1-propenyl]-, iodide; Cyanine dye NK-2014; Benzo[cd]indolium, 1-ethyl-2-[3-(1-ethyl-1,3-dihydrobenzo[cd]indol-2-ylidene)-1-propenyl]-, iodide; Heptamethine cyanine dye salt; IR-absorbing cyanine dye
EINECS	Contact for details

Quality Control

Our production of 1-Ethyl-2-[3-(1-Ethylnaphtho[1,2-D]Thiazol-2(1H)-Ylidene)-1-Propenyl]Naphtho[1,2-D]Thiazolium Iodide adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability for sensitive optical applications. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and UV-Vis-NIR spectroscopy. Certificates of Analysis (COA) detailing purity, identity, and spectral properties are provided with every 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 blue-black crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (UV-Vis)	λmax conforms (typically ~780-820 nm in solvent)
Purity (HPLC)	≥ 98.0% (Area %)
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.