Description

2-([7-(Dimethylamino)-4,4A,5,6-Tetrahydro-2(3H)-Naphthalenylidene]Methyl)-3-Ethyl-1,3-Benzothiazol-3-Ium Perchlorate is a specialized organic salt belonging to the cyanine dye family, recognized for its unique photophysical properties. This compound matters for its role as a key intermediate and functional dye in advanced research and high-tech applications. It is primarily needed by industries focused on optical materials, laser technology, and analytical chemistry, where precise light-matter interaction is critical.

Application

• Optical Data Storage: As a functional dye for recordable (R) and rewritable (RW) optical media, including CDs and DVDs.
• Laser Dye & Photonics: Serving as a gain medium or saturable absorber in tunable dye lasers and other photonic devices.
• Nonlinear Optical Materials: A component in the development of materials for frequency doubling and electro-optic modulation.
• Fluorescent Probes & Sensors: Utilized in the design of chemical sensors and bio-imaging agents due to its strong absorption and emission characteristics.
• Photopolymerization Initiators: Acting as a photo-initiator or co-initiator in UV-curable coatings, inks, and adhesives.
• Academic & Industrial R&D: A crucial building block for synthesizing novel cyanine dyes and investigating structure-property relationships.

Basic Information

Product Name	2-([7-(Dimethylamino)-4,4A,5,6-Tetrahydro-2(3H)-Naphthalenylidene]Methyl)-3-Ethyl-1,3-Benzothiazol-3-Ium Perchlorate
CAS No.	235782-02-2
Molecular Formula	C24H29ClN2O4S
Molecular Weight	476.01 g/mol
Synonyms	3-Ethyl-2-[(1E,3Z)-3-(1,2,3,4-tetrahydro-7-(dimethylamino)-2-naphthalenylidene)-1-propen-1-yl]-1,3-benzothiazol-3-ium perchlorate; Cyanine dye 235782-02-2; 2-[3-(7-Dimethylamino-1,2,3,4-tetrahydro-naphthalen-2-ylidene)-propenyl]-3-ethyl-benzothiazol-3-ium perchlorate; NK-2016; Heptamethine cyanine dye derivative; Benzothiazolium, 3-ethyl-2-[(1E,3Z)-3-(1,2,3,4-tetrahydro-7-(dimethylamino)-2-naphthalenylidene)-1-propen-1-yl]-, perchlorate
EINECS	Contact for details

Quality Control

Our production of this cyanine dye adheres to strict quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and UV-Vis spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key spectral data is provided with every shipment to support your R&D and manufacturing processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed in a dry environment to prevent degradation. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (UV-Vis)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0% (Area %)
Water Content (KF)	≤ 1.0%
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.