Description

3-Methyl-2-[2-[(3-Methyl-3H-benzothiazol-2-ylidene)methyl]but-1-enyl]benzothiazolium Iodide is a specialized organic salt belonging to the cyanine dye family, valued for its unique photophysical properties. This compound is a critical intermediate and functional material in advanced research and industrial applications where light absorption and emission characteristics are paramount. It is primarily sought by R&D laboratories and manufacturers in the fields of optical materials, dye-sensitized solar cells (DSSCs), and non-linear optics (NLO).

Application

• Optical Material Synthesis: A key precursor for synthesizing near-infrared (NIR) absorbing cyanine dyes and polymethine chains.
• Dye-Sensitized Solar Cells (DSSCs): Used in the development of sensitizers to enhance light-harvesting efficiency across a broad spectrum.
• Non-Linear Optical (NLO) Materials: Serves as a building block for compounds with applications in optical limiting, switching, and data storage.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer due to its light-activated properties.
• Laser Dyes and Fluorescent Probes: Utilized in the formulation of tunable laser dyes and as a tag in biochemical sensing applications.
• Academic and Industrial R&D: A vital reagent for fundamental studies in organic photochemistry and material science.

Basic Information

Product Name	3-Methyl-2-[2-[(3-Methyl-3H-benzothiazol-2-ylidene)methyl]but-1-enyl]benzothiazolium Iodide
CAS No.	47450-63-5
Molecular Formula	C21H21IN2S2
Molecular Weight	516.43 g/mol
Synonyms	2-[2-[(3-Methyl-2(3H)-benzothiazolylidene)methyl]-1-buten-1-yl]-3-methylbenzothiazolium iodide; 3-Methyl-2-[2-[(3-methylbenzothiazol-2(3H)-ylidene)methyl]but-1-en-1-yl]benzothiazol-3-ium iodide; Cyanine dye intermediate; Benzothiazolium, 3-methyl-2-[2-[(3-methyl-3H-benzothiazol-2-ylidene)methyl]-1-buten-1-yl]-, iodide; NIR dye precursor.
EINECS	Contact for details

Quality Control

Our 3-Methyl-2-[2-[(3-Methyl-3H-benzothiazol-2-ylidene)methyl]but-1-enyl]benzothiazolium Iodide is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing including HPLC for purity, NMR and IR for structural confirmation, and elemental analysis to ensure identity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your research and quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed and in the original packaging until use to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.