Description

2-[3-[1,3-Dihydro-1,3-dimethyl-1-(phenylmethyl)-2H-benz[e]indol-2-ylidene]-1-propen-1-yl]-1,3-dimethyl-1-(phenylmethyl)-1H-benz[e]indolium hexafluorophosphate(1-) (1:1) 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 serves as a critical functional intermediate and photosensitizer in advanced material science and biomedical research. It is primarily sought after by R&D and production teams in the pharmaceutical, biotechnology, and optoelectronics industries for developing novel diagnostic and therapeutic agents, as well as optical materials.

Application

• NIR Fluorescent Probes & Labels: Used as a core chromophore in the synthesis of fluorescent dyes and labels for bioimaging, flow cytometry, and in vivo diagnostics.
• Photodynamic Therapy (PDT) Agents: Acts as a key intermediate in the development of photosensitizers for cancer treatment and antimicrobial applications.
• Optical Data Storage Materials: Employed in the research and manufacturing of advanced materials for high-density optical recording and storage media.
• Laser Dyes & Nonlinear Optics: Utilized in the formulation of tunable laser dyes and materials for nonlinear optical (NLO) applications due to its specific photophysical characteristics.
• Chemical Sensors: Serves as an active component in the development of chemical sensors for detecting specific ions or molecules based on fluorescence signal changes.
• Organic Photovoltaic (OPV) Research: Investigated as a potential electron donor or acceptor material in the active layer of organic solar cells.

Basic Information

Item	Details
Product Name	2-[3-[1,3-Dihydro-1,3-dimethyl-1-(phenylmethyl)-2H-benz[e]indol-2-ylidene]-1-propen-1-yl]-1,3-dimethyl-1-(phenylmethyl)-1H-benz[e]indolium hexafluorophosphate(1-) (1:1)
CAS No.	581092-53-7
Molecular Formula	C48H44N2·PF6
Molecular Weight	794.84 g/mol
Synonyms	IR-780 Hexafluorophosphate; Benz[e]indolium, 2-[3-[1,3-dihydro-1,3-dimethyl-1-(phenylmethyl)-2H-benz[e]indol-2-ylidene]-1-propen-1-yl]-1,3-dimethyl-1-(phenylmethyl)-, hexafluorophosphate(1-); 1H-Benz[e]indolium, 2-[3-(1,3-dihydro-1,3-dimethyl-1-(phenylmethyl)-2H-benz[e]indol-2-ylidene)-1-propen-1-yl]-1,3-dimethyl-1-(phenylmethyl)-, hexafluorophosphate(1-); Cyanine dye IR-780 PF6 salt; NIR dye 780; Heptamethine cyanine dye hexafluorophosphate salt
EINECS	Contact for details

Quality Control

Our production of this high-value specialty chemical adheres to strict quality management protocols. Every batch is characterized and tested using advanced analytical techniques including HPLC, NMR, and mass spectrometry to ensure identity, purity, and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory needs.

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 tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to blue-green crystalline powder
Identification (HPLC)	Retention time corresponds to reference standard
Identification (NMR)	Spectrum consistent with structure
Purity (HPLC, Area %)	≥ 98.0%
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.