Description

1,3,3-Trimethyl-2-((E)-2-(2-Phenyl-3-[(E)-2-(1,3,3-Trimethyl-1,3-Dihydro-2H-Indol-2-Ylidene)Ethylidene]-1-Cyclopenten-1-Yl)Ethenyl)-3H-Indolium Tetrafluoroborate 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 critical for advanced applications requiring precise light absorption and emission characteristics in the NIR spectrum. It is primarily sought by manufacturers and researchers in the optical materials, semiconductor research, and specialty chemical synthesis sectors for developing next-generation technologies.

Application

• NIR-Absorbing Dyes & Pigments: A key chromophore for formulating dyes and pigments with specific absorption profiles in the near-infrared region.
• Optical Data Storage Media: Used in the research and development of advanced optical recording layers for high-density data storage systems.
• Laser & Photonic Materials: Serves as a functional component in the synthesis of materials for laser applications, optical filters, and non-linear optics.
• Semiconductor Research: Employed in the fabrication and study of organic semiconductors and photoconductive materials.
• Bioimaging & Sensor Probes: Investigated for use as a fluorescent tag or probe in biological imaging and chemical sensing due to its NIR fluorescence.
• Specialty Chemical Synthesis: Acts as a sophisticated intermediate or building block for synthesizing complex organic molecules with tailored electronic properties.

Basic Information

Product Name	1,3,3-Trimethyl-2-((E)-2-(2-Phenyl-3-[(E)-2-(1,3,3-Trimethyl-1,3-Dihydro-2H-Indol-2-Ylidene)Ethylidene]-1-Cyclopenten-1-Yl)Ethenyl)-3H-Indolium Tetrafluoroborate
CAS No.	246517-72-6
Molecular Formula	C37H39BF4N2
Molecular Weight	598.53 g/mol
Synonyms	IR-780 Tetrafluoroborate; 2-[2-[2-Phenyl-3-[2-(1,3,3-trimethylindolin-2-ylidene)ethylidene]-1-cyclopenten-1-yl]ethenyl]-1,3,3-trimethyl-3H-indolium tetrafluoroborate; NIR Cyanine Dye BF4 Salt; 1,3,3-Trimethyl-2-[(1E,3E)-2-(2-phenyl-3-[(1E)-2-(1,3,3-trimethyl-2,3-dihydro-1H-indol-2-ylidene)ethylidene]cyclopent-1-en-1-yl)vinyl]-1H-indol-3-ium tetrafluoroborate; IR-780 BF4; Heptamethine cyanine dye tetrafluoroborate salt; (E)-2-(2-(2-Phenyl-3-((E)-2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)cyclopent-1-en-1-yl)vinyl)-1,3,3-trimethyl-3H-indol-1-ium tetrafluoroborate
EINECS	Contact for details

Quality Control

Our production of this specialty cyanine dye adheres to stringent Good Manufacturing Practice (GMP) guidelines to ensure batch-to-batch consistency and high purity. Every lot is characterized using advanced analytical techniques including HPLC, NMR, and Mass Spectrometry to confirm identity, purity, and the absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to support your quality assurance protocols.

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 material is light-sensitive (store away from light). Keep the container tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
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.