Description

2-[(3-Ethyl-3H-Benzothiazol-2-Ylidene)Methyl]-1-Methylquinolinium Iodide is a specialized organic salt belonging to the cyanine dye family, recognized for its unique photophysical properties. This compound matters for its role as a key intermediate and functional dye in advanced material science and analytical chemistry. It is primarily needed by researchers and manufacturers in the fields of optical sensors, laser dyes, and non-linear optical materials, where precise molecular structure dictates performance.

Application

• Optical Sensor Development: Used as a fluorescent probe or indicator in chemical and biological sensing applications.
• Laser Dye Intermediate: Serves as a precursor or active component in the synthesis of dyes for tunable dye lasers.
• Non-Linear Optical (NLO) Materials: Employed in research for developing materials with second-harmonic generation (SHG) and other NLO properties.
• Photographic Sensitizers: Functions as a spectral sensitizer in photographic emulsions and imaging technologies.
• Biomedical Research: Potential use in fluorescence microscopy and as a staining agent for cellular imaging.
• Organic Semiconductor Research: Investigated for use in organic light-emitting diodes (OLEDs) and photovoltaic cells due to its conjugated structure.

Basic Information

Product Name	2-[(3-Ethyl-3H-Benzothiazol-2-Ylidene)Methyl]-1-Methylquinolinium Iodide
CAS No.	4609-41-0
Molecular Formula	C₂₀H₁₉IN₂S
Molecular Weight	446.34 g/mol
Synonyms	1-Methyl-2-[(3-ethyl-2(3H)-benzothiazolylidene)methyl]quinolinium iodide; Quinolinium, 1-methyl-2-[(3-ethyl-2(3H)-benzothiazolylidene)methyl]-, iodide; 2-[(3-Ethylbenzothiazol-2(3H)-ylidene)methyl]-1-methylquinolin-1-ium iodide; Cyanine dye derivative; Quinolinium cyanine dye; Stains-All related compound; Potential sensitizing dye.
EINECS	Contact for details

Quality Control

Our production of 2-[(3-Ethyl-3H-Benzothiazol-2-Ylidene)Methyl]-1-Methylquinolinium Iodide adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each 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 every shipment to support your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	Dark green to brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 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.