Description

3-Methyl-2-((E)-3-[1-[3-(Trimethylammonio)propyl]-4(1H)-quinolinylidene]-1-propenyl)-1,3-benzothiazol-3-ium diiodide is a specialized cyanine dye salt with significant utility in advanced material science and diagnostics. This compound is valued for its strong light-absorbing and fluorescent properties, making it a critical component in the development of next-generation optical technologies. It is primarily sought by researchers and manufacturers in the fields of photovoltaics, bio-imaging, and non-linear optics for its ability to modulate light and energy transfer.

Application

• Optical Sensor Development: Used as a key chromophore in the fabrication of chemical and biological sensors for detecting specific analytes.
• Dye-Sensitized Solar Cells (DSSCs): Functions as a sensitizer to absorb a broad spectrum of light and initiate electron transfer in photovoltaic applications.
• Fluorescent Labeling & Bio-imaging: Employed in the synthesis of fluorescent probes for cellular imaging and diagnostic assays due to its tunable emission properties.
• Non-Linear Optical (NLO) Materials: Serves as a building block for organic materials used in optical limiting, switching, and data storage technologies.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer for targeted cancer treatments.
• Laser Dye & Optical Filter Manufacturing: Utilized in the production of tunable laser dyes and specific optical filters.

Basic Information

Product Name	3-Methyl-2-((E)-3-[1-[3-(Trimethylammonio)propyl]-4(1H)-quinolinylidene]-1-propenyl)-1,3-benzothiazol-3-ium diiodide
CAS No.	157199-63-8
Molecular Formula	C26H29I2N3S
Molecular Weight	685.30 g/mol
Synonyms	Cy5 iodide; 3-Methyl-2-((E)-3-(1-(3-(trimethylammonio)propyl)quinolin-4(1H)-ylidene)prop-1-en-1-yl)benzo[d]thiazol-3-ium diiodide; Quinolinium, 1-[3-(trimethylammonio)propyl]-2-[(1E)-3-(3-methyl-2(3H)-benzothiazolylidene)-1-propenyl]-, diiodide; Cyanine dye Cy5; Sulfo-Cy5 iodide analog; Benzothiazolium, 3-methyl-2-[(1E)-3-[1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]-1-propenyl]-, diiodide
EINECS	Contact for details

Quality Control

Our production of this high-purity cyanine dye adheres to stringent quality protocols. Every batch is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry to confirm structural identity and purity. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to ensure traceability and compliance with your research or manufacturing specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term stability, consider storage under an inert atmosphere.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in DMSO, DMF; sparingly soluble in methanol

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