Description

2-[[3-(Carboxylatomethyl)Benzothiazol-2(3H)-Ylidene]Methyl]-1-Ethylquinolinium is a high-purity, specialized organic salt belonging to the quinolinium and benzothiazole chemical families. This compound is valued for its unique photophysical and electrochemical properties, making it a critical intermediate and functional material in advanced research and manufacturing. It is primarily sought by industries focused on optical materials, dye synthesis, and analytical chemistry.

Application

• Fluorescent Dye & Probe Synthesis: A key precursor for creating sensitive fluorescent markers and sensors used in bioimaging and diagnostic assays.
• Optical Data Storage Materials: Used in the research and development of advanced materials for photochromic and nonlinear optical applications.
• Electrochromic Devices: Serves as an active component in the development of smart windows and displays due to its reversible color-changing properties.
• Photoinitiator Systems: Employed in specialized photopolymerization processes for coatings, inks, and adhesives that cure under specific light wavelengths.
• Analytical Chemistry Reagent: Utilized as a standard or a complexing agent in spectroscopic and chromatographic analysis methods.
• Academic & Industrial R&D: A vital building block for synthetic chemists exploring new functional molecules in material science and pharmaceuticals.

Basic Information

Item	Details
Product Name	2-[[3-(Carboxylatomethyl)Benzothiazol-2(3H)-Ylidene]Methyl]-1-Ethylquinolinium
CAS No.	53288-83-8
Molecular Formula	C21H20N2O2S
Molecular Weight	364.46 g/mol
Synonyms	1-Ethyl-2-[(3-carboxymethyl-2(3H)-benzothiazolylidene)methyl]quinolinium; Quinolinium, 1-ethyl-2-[[3-(carboxymethyl)-2(3H)-benzothiazolylidene]methyl]-, inner salt; 2-[(3-Carboxymethyl-2-benzothiazolinylidene)methyl]-1-ethylquinolinium; Light-sensitive quinolinium dye intermediate; Benzothiazole quinolinium salt
EINECS	Contact for details

Quality Control

Our production of 2-[[3-(Carboxylatomethyl)Benzothiazol-2(3H)-Ylidene]Methyl]-1-Ethylquinolinium adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Each lot is fully characterized and accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support cGMP compliance for relevant applications and can provide material for qualification under your quality management system.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Orange to red-brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.