Description

3-Ethyl-2-Methylbenzothiazolium Ethosulfate is a high-purity organic salt primarily used as a key intermediate in the synthesis of advanced functional materials. Its value lies in its role as a precursor for cyanine dyes and other heterocyclic compounds, which are critical for high-performance applications. This product is essential for manufacturers and R&D facilities in the photographic, optical, and specialty chemical industries, where precise molecular structure and purity are paramount for product performance.

Application

• Cyanine Dye Synthesis: A crucial precursor for manufacturing heptamethine cyanine dyes and other polymethine dyes used in photographic sensitizers and optical materials.
• Optical Recording Media: Used in the production of materials for CDs, DVDs, and other data storage technologies.
• Biomedical Imaging: Serves as a building block for near-infrared (NIR) fluorescent dyes utilized in bio-labeling and diagnostic assays.
• Laser Technology: Key intermediate in the synthesis of dyes for tunable dye lasers and other photonic applications.
• Nonlinear Optical Materials: Used in research and development of organic compounds with second- and third-order nonlinear optical properties.
• Academic & Industrial R&D: A valuable reagent for synthetic organic chemists exploring new heterocyclic compounds and their properties.

Basic Information

Product Name	3-Ethyl-2-Methylbenzothiazolium Ethosulfate
CAS No.	54748-69-5
Molecular Formula	C₁₂H₁₇NO₄S₂
Molecular Weight	303.40 g/mol
Synonyms	2-Methyl-3-ethylbenzothiazolium ethosulfate; 3-Ethyl-2-methylbenzothiazolium ethyl sulfate; 3-Ethyl-2-methyl-1,3-benzothiazol-3-ium ethyl sulfate; Ethyl sulfate 3-ethyl-2-methylbenzothiazolium salt; 2-Methyl-3-ethylbenzothiazolium ethylsulfate; 3-Ethyl-2-methylbenzothiazolium salt with ethyl sulfate; 1,3-Benzothiazolium, 3-ethyl-2-methyl-, ethyl sulfate (1:1)
EINECS	Contact for details

Quality Control

Our 3-Ethyl-2-Methylbenzothiazolium Ethosulfate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure high chemical purity and consistent performance. Certificates of Analysis (COA) documenting identity, purity, 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 room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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