Description

2-[(1E,3E)-5-(3,3-Dimethyl-1-Propyl-1,3-Dihydro-2H-Indol-2-Ylidene)-1,3-Pentadienyl]-3,3-Dimethyl-1-Propyl-3H-Indolium Iodide is a high-purity cyanine dye salt, a key functional material prized for its strong near-infrared absorption and fluorescence properties. This compound is essential for applications requiring precise light absorption and emission characteristics in the NIR spectrum. It is primarily utilized by manufacturers and research institutions in the fields of optical materials, biomedical imaging, and advanced electronics.

Application

• NIR Fluorescent Dye Synthesis: A critical precursor for synthesizing heptamethine cyanine dyes used in bioimaging and diagnostics.
• Optical Data Storage: Used in the formulation of recording layers for high-capacity optical discs and other data storage media.
• Photodynamic Therapy (PDT) Agents: Serves as a building block for photosensitizers in therapeutic applications.
• Laser Dye and Optical Filter Manufacturing: Employed in the production of tunable laser dyes and optical filters for scientific and industrial equipment.
• Non-Linear Optical Materials: Used in research and development of materials for photonics and optoelectronic devices.
• Sensor Technology: A key component in developing chemical and biological sensors that operate in the near-infrared region.

Basic Information

Product Name	2-[(1E,3E)-5-(3,3-Dimethyl-1-Propyl-1,3-Dihydro-2H-Indol-2-Ylidene)-1,3-Pentadienyl]-3,3-Dimethyl-1-Propyl-3H-Indolium Iodide
CAS No.	53213-98-2
Molecular Formula	C31H39IN2
Molecular Weight	566.46 g/mol
Synonyms	IR-780 Iodide; 1,1',3,3,3',3'-Hexamethyl-4,5,4',5'-dibenzo-11-propylindotricarbocyanine Iodide; 2-[5-(1,3-Dihydro-3,3-dimethyl-1-propyl-2H-indol-2-ylidene)-1,3-pentadienyl]-3,3-dimethyl-1-propyl-3H-indolium Iodide; 1-Propyl-2-[5-(1-propyl-1,3-dihydro-3,3-dimethyl-2H-indol-2-ylidene)-1,3-pentadienyl]-3,3-dimethyl-3H-indolium Iodide; IR 780 Iodide; IR780 Iodide; Heptamethine Cyanine Dye IR-780 Iodide; NSC 113927
EINECS	Contact for details

Quality Control

Our production of 2-[(1E,3E)-5-(3,3-Dimethyl-1-Propyl-1,3-Dihydro-2H-Indol-2-Ylidene)-1,3-Pentadienyl]-3,3-Dimethyl-1-Propyl-3H-Indolium Iodide adheres to stringent quality protocols to ensure batch-to-batch consistency and high performance. Each lot is characterized by advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and relevant specifications is 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). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed in a desiccated environment to prevent degradation and absorption of moisture.

Specification

Item	Specification
Appearance	Dark green to blue-green crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0% (Area %)
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.