Description

3-Ethyl-2-Sulphonatobenzothiazolium is a high-purity, water-soluble benzothiazolium derivative, a key intermediate in the synthesis of specialized dyes and functional materials. Its sulfonate group imparts excellent solubility and reactivity, making it a versatile building block for advanced chemical manufacturing. This compound is essential for producers of photographic sensitizers, biological stains, and specialty colorants requiring precise molecular control.

Application

• Photographic Sensitizer Intermediate: A critical precursor in the synthesis of cyanine and other sensitizing dyes for silver halide photographic films and papers.
• Biological Staining Agent Synthesis: Used in the production of fluorescent probes and histological stains for microscopy and diagnostic applications.
• Specialty Dye Manufacturing: Serves as a key intermediate for creating cationic dyes with specific affinity for polyanionic materials like textiles and paper.
• Functional Material Precursor: Employed in research and development of organic semiconductors, nonlinear optical materials, and other advanced functional polymers.
• Chemical Research & Development: A valuable reagent for synthesizing novel benzothiazole-based compounds in pharmaceutical and agrochemical research.

Basic Information

Product Name	3-Ethyl-2-Sulphonatobenzothiazolium
CAS No.	50818-84-3
Molecular Formula	C9H9NO3S2
Molecular Weight	243.30 g/mol
Synonyms	2-(Ethylsulfonyl)benzothiazole; 3-Ethyl-2-sulfobenzothiazolium; Benzothiazolium, 3-ethyl-2-sulfo-; 2-Benzothiazolesulfonic acid, 3-ethyl-; Ethyl-2-sulfobenzothiazolium; 50818-84-3; 3-Ethylbenzothiazolium-2-sulfonate
EINECS	Contact for details

Quality Control

Our 3-Ethyl-2-Sulphonatobenzothiazolium is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases. The product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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