Description

1-(3-Sulfopropyl)-2-[[3-(3-Sulfopropyl)-2(3H)-Benzothiazolylidene]Methyl] Naphtho[1,2-D]Thiazolium Hydroxide, Inner Salt, Triethylammonium Salt is a high-purity, functionalized cyanine dye salt, recognized for its excellent photostability and strong near-infrared absorption properties. This compound is a critical intermediate and active component in advanced material science and diagnostic applications, where precise molecular structure and consistent performance are paramount. It is primarily sought after by manufacturers and researchers in the photographic, optical data storage, and biomedical imaging sectors for developing specialized dyes, sensors, and contrast agents.

Application

• Near-Infrared (NIR) Fluorescent Dyes and Probes: A key building block for synthesizing cyanine dyes used in bioimaging, flow cytometry, and in vivo diagnostic applications.
• Optical Data Storage Media: Used in the formulation of recording layers for high-density optical discs due to its specific light-absorption characteristics.
• Photographic Sensitizers: Functions as a spectral sensitizer in silver halide photographic emulsions to extend sensitivity into desired wavelength ranges.
• Laser and Nonlinear Optical Materials: Employed in the development of materials for dye lasers, optical limiters, and other photonic devices.
• Chemical Sensors: Serves as a core structure for creating ion-selective or molecular recognition-based fluorescent sensors.
• Research & Development: A valuable reagent for academic and industrial R&D in organic synthesis, photochemistry, and material science.

Basic Information

Product Name	1-(3-Sulfopropyl)-2-[[3-(3-Sulfopropyl)-2(3H)-Benzothiazolylidene]Methyl] Naphtho[1,2-D]Thiazolium Hydroxide, Inner Salt, Triethylammonium Salt
CAS No.	60760-42-1
Molecular Formula	C₃₃H₄₁N₃O₆S₄
Molecular Weight	703.96 g/mol
Synonyms	Triethylammonium 1-(3-sulfopropyl)-2-[[3-(3-sulfopropyl)benzothiazol-2(3H)-ylidene]methyl]naphtho[1,2-d]thiazol-3-ium hydroxide inner salt; NK-2014 triethylammonium salt; Naphtho[1,2-d]thiazolium, 1-(3-sulfopropyl)-2-[[3-(3-sulfopropyl)-2(3H)-benzothiazolylidene]methyl]-, hydroxide, inner salt, triethylammonium salt; Cyanine dye NK-2014 salt; 3H-Naphtho[1,2-d]thiazolium, 1-(3-sulfopropyl)-2-[[3-(3-sulfopropyl)-2(3H)-benzothiazolylidene]methyl]-, hydroxide, inner salt, compd. with triethylamine (1:1)
EINECS	Contact for details

Quality Control

Our production of this cyanine dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized using 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 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). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to blue-black powder or crystals
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals	≤ 20 ppm

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