Description

3-Methyl-2-[2-[(3-Methyl-3H-benzothiazol-2-ylidene)methyl]but-1-enyl]benzothiazolium Bromide is a specialized organic salt belonging to the cyanine dye family, valued for its strong light-absorbing and fluorescent properties. This compound is critical for applications requiring precise optical characteristics and high chemical stability. It serves as a key intermediate and functional material for research and industrial sectors focused on advanced imaging and photonics.

Application

• Optical Sensor Development: Used as a fluorescent probe or dye in the fabrication of chemical and biological sensors.
• Laser Dye and Nonlinear Optics: Functions as an active medium in tunable dye lasers and for studies in nonlinear optical materials.
• Photographic Sensitizers: Employed in the formulation of specialized photographic emulsions and films to enhance spectral sensitivity.
• Biomedical Imaging: Acts as a staining agent or fluorescent tag in cellular imaging and diagnostic assays.
• Organic Photovoltaic (OPV) Research: Investigated as a component in light-harvesting layers for next-generation solar cells.
• Analytical Chemistry: Serves as a standard or reagent in spectroscopic analysis and chromatography.

Basic Information

Product Name	3-Methyl-2-[2-[(3-Methyl-3H-benzothiazol-2-ylidene)methyl]but-1-enyl]benzothiazolium Bromide
CAS No.	69766-80-9
Molecular Formula	C22H21BrN2S2
Molecular Weight	457.45 g/mol
Synonyms	2-[2-[(3-Methyl-2(3H)-benzothiazolylidene)methyl]-1-butenyl]-3-methylbenzothiazolium bromide; 3-Methyl-2-[2-[(3-methylbenzothiazol-2(3H)-ylidene)methyl]but-1-en-1-yl]benzothiazol-3-ium bromide; Cyanine dye derivative; Benzothiazolium, 3-methyl-2-[2-[(3-methyl-3H-benzothiazol-2-ylidene)methyl]-1-butenyl]-, bromide; Styryl dye analog; Thiazole orange derivative
EINECS	Contact for details

Quality Control

Our production of 3-Methyl-2-[2-[(3-Methyl-3H-benzothiazol-2-ylidene)methyl]but-1-enyl]benzothiazolium Bromide adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic methods for identity confirmation. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory needs.

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.

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.