Description

3-Ethyl-2-Methylbenzothiazolium p-Toluenesulfonate is a specialized organic salt primarily utilized as a key intermediate and photosensitizer in advanced chemical synthesis. This compound is valued for its role in facilitating specific photochemical and dye-sensitized reactions, offering precise control in research and manufacturing processes. It is essential for industries focused on the development of functional dyes, photoinitiators, and specialized electronic materials.

Application

• Intermediate in the synthesis of cyanine dyes and other functional dyes.
• Photosensitizer and photoinitiator in photopolymerization and imaging applications.
• Key component in the research and development of dye-sensitized solar cells (DSSCs).
• Chemical reagent for organic synthesis, particularly in heterocyclic chemistry.
• Used in the preparation of spectral sensitizers for photographic and optical materials.
• Research chemical for studying electron transfer processes and photophysical properties.

Basic Information

Product Name	3-Ethyl-2-Methylbenzothiazolium p-Toluenesulfonate
CAS No.	14933-76-7
Molecular Formula	C17H19NO3S2
Molecular Weight	349.47 g/mol
Synonyms	3-Ethyl-2-methylbenzothiazolium tosylate; 2-Methyl-3-ethylbenzothiazolium p-toluenesulfonate; Benzothiazolium, 3-ethyl-2-methyl-, salt with 4-methylbenzenesulfonic acid (1:1); 3-Ethyl-2-methylbenzothiazolium 4-methylbenzenesulfonate; 3-Ethyl-2-methylbenzothiazolium p-toluenesulphonate; 3-Ethyl-2-methylbenzothiazolium tosylate salt; EMBS Tosylate
EINECS	Contact for details

Quality Control

Our 3-Ethyl-2-Methylbenzothiazolium p-Toluenesulfonate is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed with modern analytical techniques to confirm identity and meet stringent specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, 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, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, minimize exposure during handling and storage.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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