Description

1,3,3-Trimethyl-2-[(1E,3Z)-4-Phenyl-5-(1,3,3-Trimethyl-1,3-Dihydro-2H-Indol-2-Ylidene)-1,3-Pentadienyl]-3H-Indolium Perchlorate is a high-purity, functional organic salt belonging to the cyanine dye family, valued for its exceptional photophysical properties. Its primary commercial value lies in its role as a key intermediate and active component in advanced optical and electronic applications. This compound is essential for B2B clients in industries requiring precise light absorption and emission characteristics, such as optical data storage, laser technology, and specialized analytical chemistry.

Application

• Optical Data Storage Media: A critical dye component in the recording layer of write-once and rewritable optical discs (e.g., CD-R, DVD-R).
• Laser Dyes and Optical Filters: Used in the formulation of tunable dye lasers and as an absorber in protective optical filters due to its specific wavelength sensitivity.
• Non-Linear Optical (NLO) Materials: Serves as a chromophore in the development of materials for photonics, frequency doubling, and optical switching devices.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer in medical research for targeted light-activated therapies.
• Analytical Chemistry and Sensors: Employed as a fluorescent probe or indicator in biochemical assays and chemical sensing applications.
• Specialty Inks and Coatings: Used in high-security printing and specialty coatings where specific infrared or visible light absorption is required.

Basic Information

Product Name	1,3,3-Trimethyl-2-[(1E,3Z)-4-Phenyl-5-(1,3,3-Trimethyl-1,3-Dihydro-2H-Indol-2-Ylidene)-1,3-Pentadienyl]-3H-Indolium Perchlorate
CAS No.	14664-57-4
Molecular Formula	C35H37ClN2O4
Molecular Weight	585.13 g/mol
Synonyms	IR-125; Infrared Dye IR-125; 1,3,3-Trimethyl-2-[5-(1,3,3-trimethyl-2-indolinylidene)-1,3-pentadienyl]-3H-indolium perchlorate; 2-[5-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-1,3-pentadienyl]-1,3,3-trimethyl-3H-indolium perchlorate; Pentamethine indocyanine dye; Cyanine dye IR-125; NK-125; Cryptocyanine
EINECS	Contact for details

Quality Control

Our production of 1,3,3-Trimethyl-2-[(1E,3Z)-4-Phenyl-5-(1,3,3-Trimethyl-1,3-Dihydro-2H-Indol-2-Ylidene)-1,3-Pentadienyl]-3H-Indolium Perchlorate adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity, UV-Vis spectroscopy for absorbance profile verification, and elemental analysis. Certificates of Analysis (COA) detailing all specifications and test results are provided to ensure traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed and away from direct light sources to maintain stability and prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (UV-Vis)	λmax conforms (typically ~785 nm in methanol)
Purity (HPLC)	≥ 98.0% (Area Percent)
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.