Description

1-Methyl-2-[2-[1-Methylnaphtho[1,2-D]Thiazole-2(1H)-Ylidenemethyl]-1-Butenyl]Naphtho[1,2-D]Thiazole-1-Ium·Chloride is a specialized organic salt belonging to the cyanine dye family, recognized for its distinct photophysical properties. This compound matters as a high-value functional chemical intermediate and a key chromophore in advanced material science. It is primarily needed by manufacturers and research institutions in the photographic, optical data storage, and non-linear optical (NLO) material sectors.

Application

• Photosensitizer and Spectral Sensitizer in silver halide photographic emulsions and films.
• Optical Recording Media component for CDs, DVDs, and advanced data storage technologies.
• Non-Linear Optical (NLO) Materials for laser technology, optical switching, and frequency conversion applications.
• Fluorescent Probe and Marker in biochemical research and diagnostic assays.
• Organic Semiconductor precursor for electronic and optoelectronic devices.
• Dye Laser medium for tunable laser systems.
• Photodynamic Therapy (PDT) research for potential medical applications.
• Chemical Synthesis as a building block for complex heterocyclic and polymethine dye structures.

Basic Information

Product Name	1-Methyl-2-[2-[1-Methylnaphtho[1,2-D]Thiazole-2(1H)-Ylidenemethyl]-1-Butenyl]Naphtho[1,2-D]Thiazole-1-Ium·Chloride
CAS No.	1742-90-1
Molecular Formula	C30H25ClN2S2
Molecular Weight	513.11 g/mol
Synonyms	1-Methyl-2-[2-(1-methyl-1H-naphtho[1,2-d]thiazol-2-ylidene)ethylidene]-1-butenyl]naphtho[1,2-d]thiazol-1-ium chloride; Cyanine dye 1742-90-1; NK-2016; 1,1'-Diethyl-2,2'-cyanine chloride (related structural class); Naphthothiazolium dye; Heptamethine cyanine dye derivative; 2-[2-[1-Methylnaphtho[1,2-d]thiazol-2(1H)-ylidene]methyl]-1-buten-1-yl]-1-methylnaphtho[1,2-d]thiazol-1-ium chloride
EINECS	Contact for details

Quality Control

Our production of 1-Methyl-2-[2-[1-Methylnaphtho[1,2-D]Thiazole-2(1H)-Ylidenemethyl]-1-Butenyl]Naphtho[1,2-D]Thiazole-1-Ium·Chloride adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing including HPLC for purity, spectrophotometry for absorbance characteristics, and residual solvent analysis. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light) and hygroscopic (moisture-sensitive); prolonged exposure to air, moisture, or light should be avoided to maintain stability and performance.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Absorbance Max (λmax)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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