Description

3-Methyl-2-[3-(3-Methyl-3H-Benzothiazol-2-Ylidene)Prop-1-Enyl]Benzothiazolium Iodide is a specialized organic salt belonging to the cyanine dye family, valued for its distinct photophysical properties. This compound serves as a critical functional material in advanced research and industrial applications where precise light absorption and emission characteristics are required. It is primarily sought by manufacturers and researchers in the fields of optical materials, dye-sensitized technologies, and analytical chemistry.

Application

• Optical Sensor Development: Used as a key chromophore in the fabrication of chemical sensors and biosensors for detecting specific analytes.
• Dye-Sensitized Solar Cells (DSSCs): Functions as a sensitizer or co-sensitizer to enhance light-harvesting efficiency in photovoltaic applications.
• Non-Linear Optical (NLO) Materials: Employed in the research and development of materials for photonics, optical limiting, and data storage.
• Laser Dyes and Fluorescent Probes: Utilized in the formulation of tunable laser dyes and as a fluorescent tag in biological and chemical imaging.
• Photopolymerization Initiators: Acts as a photoinitiator or co-initiator in UV-curable coatings, inks, and adhesives.
• Academic and Industrial Research: Serves as a reference standard and building block in synthetic chemistry and materials science research.

Basic Information

Product Name	3-Methyl-2-[3-(3-Methyl-3H-Benzothiazol-2-Ylidene)Prop-1-Enyl]Benzothiazolium Iodide
CAS No.	1742-91-2
Molecular Formula	C19H17IN2S2
Molecular Weight	488.38 g/mol
Synonyms	3-Methyl-2-[(1E)-3-(3-Methyl-2(3H)-benzothiazolylidene)-1-propen-1-yl]benzothiazolium Iodide; 2-[3-(3-Methyl-2-benzothiazolinylidene)-1-propenyl]-3-methylbenzothiazolium Iodide; Astrazon Orange R; Basic Orange 21; C.I. 48035; C.I. Basic Orange 21; Pyridine, 1-ethyl-2-[3-(1-ethyl-2(1H)-quinolylidene)-1-propenyl]-, iodide (related structure); Cyanine dye intermediate
EINECS	217-123-8

Quality Control

Our production of 3-Methyl-2-[3-(3-Methyl-3H-Benzothiazol-2-Ylidene)Prop-1-Enyl]Benzothiazolium Iodide adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and industrial use. 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 quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to prevent degradation. Keep the container tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to brown crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
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.