Description

Ethyl 3-Ethyl-2-[3-(3-Ethyl-3H-Benzothiazol-2-Ylidene)-2-Methylprop-1-Enyl]Benzothiazolium Sulphate is a specialized cationic cyanine dye salt, a key intermediate in the synthesis of advanced functional materials. This compound matters for its ability to impart specific optical and electronic properties, making it valuable for high-tech applications. Industries requiring precise light absorption, emission, or charge transfer characteristics, such as advanced imaging and electronics, need this high-purity chemical building block.

Application

• Optical Data Storage Media: As a key dye component in the production of recordable (R) and rewritable (RW) CDs and DVDs.
• Laser Dye Synthesis: Serving as a precursor for tunable organic laser dyes used in scientific and medical instrumentation.
• Non-Linear Optical (NLO) Materials: A critical intermediate for developing materials used in photonics, optical switching, and frequency conversion devices.
• Bioimaging and Staining: Used in the synthesis of fluorescent probes and stains for cellular and molecular biology research.
• Organic Photovoltaic (OPV) Cells: As a donor or acceptor material component in the active layer of next-generation solar cells.
• Organic Light-Emitting Diodes (OLEDs): A building block for emissive layer materials in display and lighting technologies.
• Photodynamic Therapy (PDT) Agents: Intermediate in the development of photosensitizers for targeted cancer treatments.
• Chemical Sensors: Utilized in the fabrication of optochemical sensors for detecting specific ions or gases.

Basic Information

Item	Details
Product Name	Ethyl 3-Ethyl-2-[3-(3-Ethyl-3H-Benzothiazol-2-Ylidene)-2-Methylprop-1-Enyl]Benzothiazolium Sulphate
CAS No.	67800-91-3
Molecular Formula	C25H30N2O4S3
Molecular Weight	518.71 g/mol
Synonyms	2-[3-(3-Ethyl-2(3H)-benzothiazolylidene)-2-methyl-1-propen-1-yl]-3-ethylbenzothiazolium sulfate; Cyanine dye 25 sulfate salt; 3-Ethyl-2-[3-(3-ethyl-3H-benzothiazol-2-ylidene)-2-methylallylidene]benzothiazoline sulfate; NK-2012 sulfate; 1-Propen-1-yl, 2-[3-(3-ethyl-2(3H)-benzothiazolylidene)-2-methyl]-, 3-ethylbenzothiazolium sulfate; Benzothiazolium, 3-ethyl-2-[3-(3-ethyl-2(3H)-benzothiazolylidene)-2-methyl-1-propen-1-yl]-, sulfate (1:1)
EINECS	Contact for details

Quality Control

Our Ethyl 3-Ethyl-2-[3-(3-Ethyl-3H-Benzothiazol-2-Ylidene)-2-Methylprop-1-Enyl]Benzothiazolium Sulphate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the stringent requirements of advanced material synthesis. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture and contamination. Do not store near strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility (in Methanol)	Clear, intense blue-green solution

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