Description

1-Ethyl-2-[(3-Methyl-3H-Benzothiazol-2-Ylidene)Methyl]Quinolinium Iodide is a specialized cyanine dye salt, a high-purity organic compound valued for its distinct photophysical properties. It serves as a critical functional material in advanced research and technology development, where precise molecular structure and purity are paramount. This product is essential for industries and research institutions focused on photonics, materials science, and analytical chemistry.

Application

• Sensitizing Dye for Photographic Emulsions: Used to extend the spectral sensitivity of silver halide films.
• Fluorescent Probe and Staining Agent: Employed in biological imaging and cell staining due to its specific light absorption and emission characteristics.
• Non-Linear Optical (NLO) Material: A candidate component for research into optical limiting, frequency doubling, and other photonic applications.
• Laser Dye Medium: Investigated for use in tunable dye lasers within specific wavelength ranges.
• Chemical Intermediate: Serves as a precursor for synthesizing more complex cyanine dyes and conjugated molecules.
• Sensor Development: Utilized in the fabrication of chemical sensors and biosensors that rely on optical signal transduction.

Basic Information

Product Name	1-Ethyl-2-[(3-Methyl-3H-Benzothiazol-2-Ylidene)Methyl]Quinolinium Iodide
CAS No.	16055-33-7
Molecular Formula	C20H19IN2S
Molecular Weight	446.34 g/mol
Synonyms	Quinolinium, 1-ethyl-2-[(3-methyl-2(3H)-benzothiazolylidene)methyl]-, iodide; 2-[(1-Ethyl-2(1H)-quinolinylidene)methyl]-3-methylbenzothiazolium iodide; Cyanine dye; Quinoline blue derivative; Sensitizing Dye; 1-Ethyl-2-(3-methylbenzothiazolin-2-ylidene-methyl)quinolinium iodide
EINECS	Contact for details

Quality Control

Our production of 1-Ethyl-2-[(3-Methyl-3H-Benzothiazol-2-Ylidene)Methyl]Quinolinium Iodide adheres to stringent in-process controls to ensure batch-to-batch consistency and high chemical purity. Every lot is characterized using advanced analytical techniques, including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Dark green to bronze crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
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.