Description

Acetic Acid, (3-Ethyl-2(3H)-Benzothiazolylidene)-, Ethyl Ester (9Ci) is a specialized benzothiazole derivative with a conjugated ester structure, serving as a key synthetic intermediate and functional material. This compound matters for its role in advanced organic synthesis, particularly in the development of dyes, pigments, and photoactive materials due to its unique electronic properties. Industrial and research chemists in the fine chemical, specialty dye, and advanced material sectors need this high-purity building block for creating novel compounds with specific optical and chemical characteristics.

Application

• Synthesis of cyanine dyes and other specialty colorants for photographic, imaging, and textile applications.
• Key intermediate in the production of fluorescent markers and probes used in bio-imaging and diagnostic assays.
• Building block for organic electronic materials, including potential use in organic light-emitting diodes (OLEDs) and sensors.
• Precursor in pharmaceutical research for developing compounds with benzothiazole cores.
• Research chemical in academic and industrial laboratories studying heterocyclic chemistry and photophysical properties.
• Component in the formulation of specialized optical materials and non-linear optical (NLO) chromophores.

Basic Information

Product Name	Acetic Acid, (3-Ethyl-2(3H)-Benzothiazolylidene)-, Ethyl Ester (9Ci)
CAS No.	749255-47-8
Molecular Formula	C13H15NO2S
Molecular Weight	249.33 g/mol
Synonyms	(3-Ethyl-2(3H)-benzothiazolylidene)acetic acid ethyl ester; Ethyl (3-ethyl-2-benzothiazolinylidene)acetate; 2-[(3-Ethyl-1,3-benzothiazol-2-ylidene)]-acetic acid ethyl ester; Acetic acid, 2-(3-ethyl-2(3H)-benzothiazolylidene)-, ethyl ester; Ethyl 2-((3-ethylbenzo[d]thiazol-2(3H)-ylidene))acetate; Benzothiazole acetic acid ethyl ester derivative; 749255-47-8
EINECS	Contact for details

Quality Control

Our Acetic Acid, (3-Ethyl-2(3H)-Benzothiazolylidene)-, Ethyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and structural confirmation, to ensure consistency and high performance as a synthetic intermediate. 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, well-ventilated area at controlled room temperature (typically 15-25°C). This compound is light-sensitive (store away from light) and should be handled under inert atmosphere when appropriate to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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