Description

3-Ethyl-2-Methylbenzothiazolium Iodide is a quaternary ammonium salt derivative of benzothiazole, serving as a crucial intermediate and functional material in advanced chemical synthesis. Its value lies in its role as a versatile precursor for synthesizing cyanine dyes, photosensitizers, and other functional organic compounds. This product is essential for manufacturers and R&D teams in the photographic, optical materials, dye, and pharmaceutical intermediates sectors, where precise molecular structure is key to performance.

Application

• Cyanine Dye Synthesis: A key precursor for manufacturing heptamethine and other cyanine dyes used in photographic sensitizers and optical recording media.
• Photosensitizer Production: Used in the development of photosensitizing agents for applications in photodynamic therapy and photoinitiated chemical processes.
• Optical Materials: Serves as a building block for non-linear optical (NLO) materials and other advanced functional organic compounds.
• Biomedical Research: Employed as a fluorescent labeling agent precursor and in the synthesis of probes for biological imaging and diagnostics.
• Chemical Intermediate: Acts as a versatile alkylating agent and intermediate in organic synthesis for pharmaceuticals and agrochemicals.
• Analytical Reagents: Used in the formulation of specific analytical reagents and indicators in chemical analysis.

Basic Information

Item	Details
Product Name	3-Ethyl-2-Methylbenzothiazolium Iodide
CAS No.	3119-93-5
Molecular Formula	C10H12INS
Molecular Weight	305.18 g/mol
Synonyms	2-Methyl-3-ethylbenzothiazolium Iodide; 3-Ethyl-2-methylbenzothiazol-3-ium Iodide; 3-Ethyl-2-methyl-1,3-benzothiazol-3-ium Iodide; 2-Methyl-3-ethylbenzothiazole Iodide; Ethylmethylbenzothiazolium Iodide; 3-Ethyl-2-methylbenzothiazole Iodide; 3119-93-5; NSC 403119
EINECS	221-500-1

Quality Control

Our 3-Ethyl-2-Methylbenzothiazolium Iodide is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing all specifications, and our quality commitment aligns with cGMP principles for pharmaceutical intermediates where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.