Description

1-Methyl-2-[2-(2-Methylindol-3-Yl)-3-(1-Methylnaphtho[1,2-D]Thiazolin-2-Ylidene)Propenyl]Naphtho[1,2-D]Thiazolium p-Toluenesulphonate is a specialized organic salt belonging to the cyanine dye family, valued for its unique photophysical properties. This compound is critical for applications requiring precise light absorption and emission characteristics in the near-infrared (NIR) region. It is primarily sought after by researchers and manufacturers in the advanced materials, optical data storage, and biomedical imaging sectors for developing next-generation functional dyes and sensors.

Application

• NIR-Absorbing Dyes & Pigments: A key chromophore for formulating dyes with specific absorption profiles for optical filters and security inks.
• Optical Data Storage Media: Used in the research and development of high-density recording materials (e.g., CD-R, DVD-R) due to its light-sensitive properties.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer candidate for cancer treatment, leveraging its ability to generate reactive oxygen species upon light activation.
• Non-Linear Optical (NLO) Materials: Serves as a building block for organic crystals and polymers with applications in photonics, telecommunications, and laser technology.
• Biomedical Imaging Probes: Utilized in the synthesis of fluorescent labels and contrast agents for in vitro and in vivo imaging studies.
• Chemical Sensors: Acts as a core component in the design of colorimetric or fluorometric sensors for detecting specific ions or molecules.

Basic Information

Product Name	1-Methyl-2-[2-(2-Methylindol-3-Yl)-3-(1-Methylnaphtho[1,2-D]Thiazolin-2-Ylidene)Propenyl]Naphtho[1,2-D]Thiazolium p-Toluenesulphonate
CAS No.	18244-79-6
Molecular Formula	C42H35N3O3S3
Molecular Weight	718.94 g/mol
Synonyms	NK-2014; NK 2014; 1-Methyl-2-[2-(2-methyl-1H-indol-3-yl)-3-(1-methylnaphtho[1,2-d]thiazol-2(1H)-ylidene)prop-1-en-1-yl]naphtho[1,2-d]thiazol-3-ium 4-methylbenzenesulfonate; Cyanine dye NK-2014; Naphthothiazolium dye; p-Toluenesulfonate salt of a heptamethine cyanine dye
EINECS	Contact for details

Quality Control

Our production of this high-purity specialty chemical adheres to stringent quality protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment, NMR and IR for structural confirmation, and spectrophotometry for optical property verification. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or manufacturing specifications.

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 black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0% (Area %)
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 1.0 %
λmax (Absorption)	Contact for details

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