Description

1-Ethyl-2-[3-(1-Ethyl-1H-Quinolin-4-Ylidene)-1-Propenyl]Naphtho[1,2-D]Thiazolium Toluene-p-Sulphonate is a specialized organic salt belonging to the cyanine dye family, valued for its strong light-absorbing and fluorescent properties. This compound is engineered for high-performance applications where precise optical characteristics are critical. It serves as a key functional material for advanced research and industrial processes in photonics, imaging, and material science.

Application

• Optical Sensitizer: Used in photographic films and plates to enhance light sensitivity in specific spectral regions.
• Laser Dye Intermediate: Serves as a precursor or active medium in the formulation of tunable dye lasers.
• Non-Linear Optical (NLO) Materials: A candidate component for developing materials used in frequency doubling, optical switching, and electro-optic modulation devices.
• Biomedical Imaging Probes: Potential use in the synthesis of fluorescent tags and stains for cellular and molecular imaging applications.
• Organic Photovoltaic (OPV) Research: Investigated as an electron donor or acceptor material in the development of next-generation solar cells.
• Chemical Sensor Development: Utilized in creating selective fluorescent sensors for detecting ions or specific analytes.

Basic Information

Item	Details
Product Name	1-Ethyl-2-[3-(1-Ethyl-1H-Quinolin-4-Ylidene)-1-Propenyl]Naphtho[1,2-D]Thiazolium Toluene-p-Sulphonate
CAS No.	68758-65-6
Molecular Formula	C34H32N2O3S2
Molecular Weight	580.76 g/mol
Synonyms	1-Ethyl-2-[3-(1-ethyl-4(1H)-quinolylidene)-1-propenyl]naphtho[1,2-d]thiazolium p-toluenesulfonate; NK-2012; Cyanine dye NK-2012; Quinolinium, 1-ethyl-2-[3-(1-ethyl-1,4-dihydro-4-quinolinylidene)-1-propenyl]naphtho[1,2-d]thiazolium, salt with 4-methylbenzenesulfonic acid (1:1); 1-Ethyl-2-[3-(1-ethyl-4(1H)-quinolylidene)-1-propen-1-yl]naphtho[1,2-d]thiazol-4-ium 4-methylbenzenesulfonate
EINECS	Contact for details

Quality Control

Our production of 1-Ethyl-2-[3-(1-Ethyl-1H-Quinolin-4-Ylidene)-1-Propenyl]Naphtho[1,2-D]Thiazolium Toluene-p-Sulphonate adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry to confirm identity and purity. Certificates of Analysis (COA) documenting all critical specifications are 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation. For long-term storage, consider the use of desiccants.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference retention time
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 2.0%
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.