Description

3-ETHYL-2-[(3-([3-ETHYL-6-METHYL-1,3-BENZOTHIAZOL-2(3H)-YLIDENE]METHYL)-5,5-DIMETHYL-2-CYCLOHEXEN-1-YLIDENE)METHYL]-6-METHYL-1,3-BENZOTHIAZOL-3-IUM 4-METHYLBENZENESULFONATE is a specialized cationic dye belonging to the benzothiazolium class, valued for its strong near-infrared (NIR) absorption and photostability. This compound is engineered for advanced applications where precise light absorption and energy transfer are critical. It serves as a key functional material for researchers and manufacturers in the fields of optical data storage, laser technology, and non-linear optics.

Application

• Optical Data Storage Media: As a recording layer dye for high-capacity CD-R, DVD-R, and advanced optical discs.
• Laser Dyes & Optical Filters: A functional component in tunable dye lasers and as an absorber in optical filter applications.
• Non-Linear Optical (NLO) Materials: Used in the research and development of materials for frequency doubling and electro-optic modulation.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer in medical research applications.
• Solar Cell Technology: Explored as a light-harvesting material in the development of organic photovoltaic (OPV) cells.
• Security Inks & Dyes: Utilized in the formulation of anti-counterfeiting inks for banknotes and secure documents due to its specific spectral properties.

Basic Information

Item	Details
Product Name	3-ETHYL-2-[(3-([3-ETHYL-6-METHYL-1,3-BENZOTHIAZOL-2(3H)-YLIDENE]METHYL)-5,5-DIMETHYL-2-CYCLOHEXEN-1-YLIDENE)METHYL]-6-METHYL-1,3-BENZOTHIAZOL-3-IUM 4-METHYLBENZENESULFONATE
CAS No.	189298-36-0
Molecular Formula	C37H42N2O3S3
Molecular Weight	658.92 g/mol
Synonyms	3-Ethyl-2-[(3-[(3-ethyl-6-methyl-2(3H)-benzothiazolylidene)methyl]-5,5-dimethyl-2-cyclohexen-1-ylidene)methyl]-6-methylbenzothiazolium p-toluenesulfonate; NK-2014; NIR Dye NK-2014; 2-[3-[2-(3-Ethyl-6-methyl-benzothiazol-2-ylidene)-ethylidene]-5,5-dimethyl-cyclohex-1-enyl]-3-ethyl-6-methyl-benzothiazol-3-ium tosylate; Heptamethine cyanine dye derivative; Benzothiazolium, 3-ethyl-2-[(3-[(3-ethyl-6-methyl-2(3H)-benzothiazolylidene)methyl]-5,5-dimethyl-2-cyclohexen-1-ylidene)methyl]-6-methyl-, salt with 4-methylbenzenesulfonic acid (1:1)
EINECS	Contact for details

Quality Control

Our production of this high-purity functional dye adheres to strict quality management protocols. Every batch is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry to ensure structural integrity and performance consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and spectral properties is provided with each shipment to support your R&D and manufacturing quality assurance.

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 (store away from light). Keep the container tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Main peak retention time matches reference
Purity (HPLC)	≥ 98.0% (Area %)
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.5 %
UV-Vis Absorption (λmax)	Specification available upon request

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