Description

2,2'-[3-[(3-Heptyl-4-Methyl-3H-Thiazol-2-Ylidene)Ethylidene]Propenylene]Bis[3-Heptyl-4-Methylthiazolium] Diiodide is a specialized organic salt belonging to the cyanine dye family, valued for its strong light-absorbing and charge-transfer properties. This compound is critical for applications requiring precise optical characteristics and electrochemical stability. It is primarily utilized by manufacturers and researchers in the advanced materials, photovoltaics, and specialty chemical synthesis sectors.

Application

• Photosensitizer in Dye-Sensitized Solar Cells (DSSCs): A key component for absorbing sunlight and initiating electron transfer in next-generation photovoltaic devices.
• Optical Recording Media: Used in the formulation of high-density data storage materials due to its specific light absorption profile.
• Non-Linear Optical (NLO) Materials: Serves as a chromophore in the development of materials for photonics, optical switching, and frequency conversion.
• Biomedical Imaging Probes: Potential use as a near-infrared (NIR) fluorescent dye or contrast agent in diagnostic and research applications.
• Chemical Synthesis Intermediate: Acts as a precursor or building block for synthesizing more complex heterocyclic compounds and functional dyes.
• Electrochromic Devices: Employed in smart windows and displays for its ability to change color in response to an electrical current.

Basic Information

Item	Detail
Product Name	2,2'-[3-[(3-Heptyl-4-Methyl-3H-Thiazol-2-Ylidene)Ethylidene]Propenylene]Bis[3-Heptyl-4-Methylthiazolium] Diiodide
CAS No.	3571-88-8
Molecular Formula	C39H60I2N4S2
Molecular Weight	911.84 g/mol
Synonyms	DTDCI; 1,1'-(3-Propene-1,3-diyl)bis[3-heptyl-4-methylthiazolium] diiodide; 3H-Thiazolium, 2,2'-[3-[(3-heptyl-4-methyl-3H-thiazol-2-ylidene)ethylidene]-1-propen-1,3-diyl]bis[3-heptyl-4-methyl-, diiodide; Cyanine dye DTDCI; Heptamethine cyanine dye; 3,3'-Diheptyl-4,4'-dimethylthiacarbocyanine iodide
EINECS	Contact for details

Quality Control

Our production of 2,2'-[3-[(3-Heptyl-4-Methyl-3H-Thiazol-2-Ylidene)Ethylidene]Propenylene]Bis[3-Heptyl-4-Methylthiazolium] Diiodide adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. Certificates of Analysis (COA) detailing purity, identity, and key physical parameters are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to prevent degradation. Keep the container sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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