Description

2-[(E)-3-(3,3-Dimethyl-1-Phenyl-1,3-Dihydro-2H-Indol-2-Ylidene)-1-Propenyl]-3,3-Dimethyl-1-Phenyl-3H-Indolium Chloride is a high-purity, functional organic salt belonging to the cyanine dye family, valued for its strong near-infrared (NIR) absorption and fluorescence properties. This compound is essential for advanced research and development in photonics and molecular sensing, where precise optical characteristics are critical. It is primarily sought by manufacturers and researchers in the optical materials, biomedical imaging, and security ink industries for its role as a key functional chromophore.

Application

• NIR-Absorbing Dyes & Pigments: A key intermediate for synthesizing dyes used in optical filters, laser protection materials, and security printing inks.
• Fluorescent Probes & Labels: Utilized in the development of fluorescent markers and probes for bioimaging, cellular tracking, and diagnostic assays.
• Optical Data Storage: Serves as a functional material in the research and production of advanced optical recording media.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer in medical research for targeted cancer therapies.
• Non-Linear Optical (NLO) Materials: Used in academic and industrial R&D for creating materials with specific light-modulating properties.
• Chemical Sensors: Acts as a sensing element in the fabrication of devices that detect specific ions or molecules based on optical changes.

Basic Information

Product Name	2-[(E)-3-(3,3-Dimethyl-1-Phenyl-1,3-Dihydro-2H-Indol-2-Ylidene)-1-Propenyl]-3,3-Dimethyl-1-Phenyl-3H-Indolium Chloride
CAS No.	122295-58-3
Molecular Formula	C35H33ClN2
Molecular Weight	516.10 g/mol
Synonyms	DTTCI; 3,3'-Diethylthiatricarbocyanine Iodide (common misnomer for chloride salt); DTTC Chloride; 1,1',3,3,3',3'-Hexamethyl-4,4',5,5'-dibenzo-2,2'-indotricarbocyanine Chloride; 2-[3-(1,3-Dihydro-3,3-dimethyl-1-phenyl-2H-indol-2-ylidene)-1-propen-1-yl]-3,3-dimethyl-1-phenyl-3H-indolium Chloride; NIR Cyanine Dye; Heptamethine Cyanine Dye Chloride Salt; IR-125 Chloride Analog
EINECS	Contact for details

Quality Control

Our production of 2-[(E)-3-(3,3-Dimethyl-1-Phenyl-1,3-Dihydro-2H-Indol-2-Ylidene)-1-Propenyl]-3,3-Dimethyl-1-Phenyl-3H-Indolium Chloride adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and spectral analysis for identity confirmation, to ensure it meets exacting research and industrial-grade specifications. A detailed Certificate of Analysis (COA) documenting purity, absorbance maxima, and other critical parameters is provided with each 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a desiccated environment to prevent degradation. For long-term storage, consider using inert gas purging.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Absorption Maxima (λmax)	760 - 780 nm (in methanol)
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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