Description

1-Ethyl-2-[(3-([1-ethylnaphtho[1,2-d][1,3]thiazol-2(1H)-ylidene]methyl)-2,5,5-trimethyl-2-cyclohexen-1-ylidene)methyl]naphtho[1,2-d][1,3]thiazol-1-ium 4-methylbenzenesulfonate is a high-purity, specialized cyanine dye salt with a complex polymethine structure, designed for advanced photonic and electronic applications. Its core value lies in its exceptional light-absorption and emission properties, making it a critical functional material for high-tech industries. This compound is essential for researchers and manufacturers in the fields of nonlinear optics, optical data storage, and as a sensitizer for photographic emulsions and photodynamic therapy agents.

Application

• Nonlinear Optical (NLO) Materials: A key chromophore for developing advanced materials with second- and third-order nonlinear optical properties for telecommunications and laser technology.
• Optical Data Storage: Used as a photosensitive dye in the recording layers of high-density optical discs (e.g., CD-R, DVD-R).
• Photographic Sensitizers: Functions as a spectral sensitizer in silver halide photographic emulsions to extend sensitivity into specific wavelength regions.
• Photodynamic Therapy (PDT): Investigated as a potential photosensitizer candidate for targeted cancer treatments due to its light-activated properties.
• Laser Dyes & Fluorescent Probes: Suitable for use in tunable dye lasers and as a base structure for creating specialized fluorescent markers in bio-imaging.
• Organic Photovoltaic (OPV) Research: Employed in research for developing next-generation solar cells as an electron donor or acceptor material.
• Chemical Sensors: Utilized in the development of optochemical sensors for detecting specific ions or molecules based on colorimetric or fluorometric changes.

Basic Information

Item	Details
Product Name	1-Ethyl-2-[(3-([1-ethylnaphtho[1,2-d][1,3]thiazol-2(1H)-ylidene]methyl)-2,5,5-trimethyl-2-cyclohexen-1-ylidene)methyl]naphtho[1,2-d][1,3]thiazol-1-ium 4-methylbenzenesulfonate
CAS No.	202135-13-5
Molecular Formula	C45H46N2O3S3
Molecular Weight	759.04 g/mol
Synonyms	NK-2014; Cyanine dye NK-2014; 1-Ethyl-2-[(3-((1-ethyl-1H-naphtho[1,2-d]thiazol-2-ylidene)methyl)-2,5,5-trimethylcyclohex-2-en-1-ylidene)methyl]-1H-naphtho[1,2-d]thiazol-3-ium 4-methylbenzenesulfonate; 1-Ethyl-2-[(E)-3-[(E)-2-(1-ethyl-1,3-dihydronaphtho[1,2-d]thiazol-2-ylidene)ethylidene]-2,5,5-trimethylcyclohex-1-en-1-yl]vinyl]-1,3-dihydronaphtho[1,2-d]thiazol-3-ium p-toluenesulfonate; Heptamethine cyanine dye tosylate salt; IR-1061 analog; Photographic sensitizing dye
EINECS	Contact for details

Quality Control

Every batch of our cyanine dye is produced and analyzed under strict quality management systems. We guarantee high chemical purity and consistent performance characteristics critical for optical applications. Certificates of Analysis (COA) are provided with each shipment, detailing key parameters such as identity (HPLC, IR), assay purity, and absorbance profile. Our production adheres to cGMP guidelines where applicable, ensuring traceability and reliability for research and industrial use.

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 (store away from light). Keep the container tightly sealed in a desiccated environment to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
λmax (Absorption)	As per COA (Typically ~1060 nm in solvent)
Loss on Drying	≤ 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.