Description

3-ETHYL-2-[(1E,3E)-4-(3-((E,2E)-4-[3-ETHYL-1,3-BENZOTHIAZOL-2(3H)-YLIDENE]-2-BUTENYLIDENE)-2-METHYL-1-CYCLOHEXEN-1-YL)-1,3-BUTADIENYL]-1,3-BENZOTHIAZOL-3-IUM IODIDE is a sophisticated organic salt belonging to the cyanine dye family, valued for its strong light-absorbing and fluorescent properties. This compound is engineered for applications requiring precise photophysical characteristics and high chemical stability. It is primarily sought by researchers and manufacturers in the fields of advanced materials science, optical data storage, and as a specialized sensitizer in photographic and imaging technologies.

Application

• Optical Data Storage Media: As a key dye component in recordable CD-R and DVD-R discs.
• Laser Dyes & Nonlinear Optics: For use in tunable dye lasers and photonic devices due to its sharp absorption bands.
• Photographic Sensitizers: Enhancing the spectral sensitivity of silver halide photographic emulsions.
• Biomedical Imaging Probes: Potential use as a fluorescent label or stain in bioanalytical research.
• Organic Photovoltaic (OPV) Research: As an electron donor or acceptor material in the development of solar cells.
• Chemical Sensors: Development of colorimetric or fluorometric sensors for ion detection.

Basic Information

Item	Detail
Product Name	3-ETHYL-2-[(1E,3E)-4-(3-((E,2E)-4-[3-ETHYL-1,3-BENZOTHIAZOL-2(3H)-YLIDENE]-2-BUTENYLIDENE)-2-METHYL-1-CYCLOHEXEN-1-YL)-1,3-BUTADIENYL]-1,3-BENZOTHIAZOL-3-IUM IODIDE
CAS No.	115920-77-9
Molecular Formula	C35H37IN2S2
Molecular Weight	700.71 g/mol
Synonyms	3-Ethyl-2-[(1E,3E)-4-[3-[(E,2E)-4-(3-Ethyl-2(3H)-benzothiazolylidene)-2-butenylidene]-2-methyl-1-cyclohexen-1-yl]-1,3-butadienyl]benzothiazolium Iodide; Cyanine Dye NK-2012; NK 2012; Heptamethine Cyanine Dye; 3,3'-Diethylthiatricarbocyanine Iodide (related analog); Benzothiazolium, 3-ethyl-2-[(1E,3E)-4-[3-[(E,2E)-4-(3-ethyl-2(3H)-benzothiazolylidene)-2-butenylidene]-2-methyl-1-cyclohexen-1-yl]-1,3-butadienyl]-, iodide (1:1)
EINECS	Contact for details

Quality Control

Our 3-ETHYL-2-[(1E,3E)-4-(3-((E,2E)-4-[3-ETHYL-1,3-BENZOTHIAZOL-2(3H)-YLIDENE]-2-BUTENYLIDENE)-2-METHYL-1-CYCLOHEXEN-1-YL)-1,3-BUTADIENYL]-1,3-BENZOTHIAZOL-3-IUM IODIDE is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized by 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 R&D and manufacturing 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). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider desiccation.

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)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Solubility	Soluble in dichloromethane, DMF, DMSO; sparingly soluble in methanol

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