Description

2-Methyl-3-(3-Sulphonatobutyl)Naphtho[1,2-D]Thiazolium is a specialized organic salt belonging to the naphthothiazole class, characterized by its sulfonate functional group which imparts excellent water solubility. This compound serves as a critical intermediate and functional additive in advanced material synthesis, where its unique heterocyclic structure is highly valued. It is primarily sought after by manufacturers in the dye and pigment, photographic chemicals, and specialty polymer industries for developing products with specific optical or electronic properties.

Application

• Sensitizing Dye Intermediate: A key precursor in the synthesis of cyanine and other polymethine dyes used in photographic films and digital imaging.
• Functional Polymer Additive: Imparts specific ionic or chromophoric properties to specialty polymers and coatings.
• Electrochromic Material Synthesis: Used in the research and development of materials for smart windows and display technologies.
• Liquid Crystal Display (LCD) Components: Acts as a building block for dyes and additives in LCD color filters.
• Biomedical Staining Agents: Potential use as a precursor for fluorescent probes and histological stains in diagnostic applications.
• Organic Semiconductor Research: Investigated for use in the development of novel organic light-emitting diodes (OLEDs) and photovoltaic cells.

Basic Information

Product Name	2-Methyl-3-(3-Sulphonatobutyl)Naphtho[1,2-D]Thiazolium
CAS No.	63149-04-2
Molecular Formula	C₁₇H₁₇NO₃S₂
Molecular Weight	347.45 g/mol
Synonyms	2-Methyl-3-(3-sulfonatobutyl)benzo[de]thiazol-3-ium; 3-(3-Sulfonatobutyl)-2-methylnaphtho[1,2-d]thiazolium; Naphtho[1,2-d]thiazolium, 2-methyl-3-(3-sulfonatobutyl)-; 2-Methyl-3-(3-sulfobutyl)naphtho[1,2-d]thiazolium; Benzo[de]thiazolium, 2-methyl-3-(3-sulfonatobutyl)-; Cyanine dye intermediate S-113; Photosensitizer intermediate 63149-04-2
EINECS	Contact for details

Quality Control

Every batch of 2-Methyl-3-(3-Sulphonatobutyl)Naphtho[1,2-D]Thiazolium is manufactured under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards and precise customer specifications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider conditions under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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