Description

3-Butyl-2-[3-(3-Butyl-(3H)-Benzothiazol-2-Ylidene)-2-Methylpropen-1-Yl]Benzothiazolium Iodide is a high-purity, functional organic salt belonging to the cyanine dye family, valued for its strong near-infrared (NIR) absorption and fluorescence properties. This compound is critical for applications requiring precise light absorption and emission characteristics in advanced technological and research settings. It is primarily sought by manufacturers and researchers in the photonics, optical data storage, and biomedical imaging sectors for its role as a key photosensitizer and chromophore.

Application

• Optical Data Storage Media: As a key NIR-absorbing dye for recordable CDs, DVDs, and Blu-ray discs.
• Laser Technology & Photonics: Utilized in the fabrication of dye-based optical filters, laser dyes, and nonlinear optical materials.
• Biomedical Imaging & Diagnostics: Acts as a fluorescent probe or photosensitizer in bioimaging, photodynamic therapy (PDT), and diagnostic assays.
• Organic Photovoltaics (OPVs): Employed as an electron donor or acceptor material in the active layer of solar cells.
• Chemical Sensors: Used in the development of colorimetric and fluorescent sensors for detecting specific ions or molecules.
• Academic & Industrial Research: Serves as a fundamental building block in synthetic chemistry and materials science research for developing new functional dyes.

Basic Information

Product Name	3-Butyl-2-[3-(3-Butyl-(3H)-Benzothiazol-2-Ylidene)-2-Methylpropen-1-Yl]Benzothiazolium Iodide
CAS No.	17636-07-6
Molecular Formula	C26H31IN2S2
Molecular Weight	562.56 g/mol
Synonyms	3-Butyl-2-[(E)-3-(3-butyl-1,3-benzothiazol-2-ylidene)-2-methylprop-1-en-1-yl]-1,3-benzothiazol-3-ium iodide; 3H-Benzothiazolium, 3-butyl-2-[3-(3-butyl-3H-benzothiazol-2-ylidene)-2-methyl-1-propen-1-yl]-, iodide; Cyanine dye 17636-07-6; NIR Cyanine Dye; Benzothiazolium heptamethine cyanine dye; 3-Butyl-2-[3-(3-butylbenzothiazolin-2-ylidene)-2-methylpropenyl]benzothiazolium iodide
EINECS	Contact for details

Quality Control

Every batch of our 3-Butyl-2-[3-(3-Butyl-(3H)-Benzothiazol-2-Ylidene)-2-Methylpropen-1-Yl]Benzothiazolium Iodide is manufactured and tested under a strict quality management system to ensure high purity, batch-to-batch consistency, and reliable performance in sensitive applications. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles, with testing performed via HPLC, NMR, and mass spectrometry. Our quality commitment aligns with cGMP principles where applicable for research and industrial use.

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 material is light-sensitive; prolonged exposure to light should be avoided to prevent degradation. Keep the container tightly sealed in a dry environment to minimize moisture uptake.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0% (Area %)
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.