Description

2-[2-[2-Chloro-3-[(1,3-Dihydro-1,3,3-Trimethyl-2 H-Indol-2-Ylidene) Ethylidene]-1-Cyclohexen-1-Yl]Ethenyl]-1,3,3-Trimethylindolium Iodide is a high-purity cyanine dye intermediate essential for advanced photonic and electronic applications. This compound matters for its role as a key building block in synthesizing near-infrared (NIR) absorbing and fluorescent dyes with precise optical properties. Industrial and research chemists need it for developing specialized materials in sectors such as optical data storage, laser technology, and biomedical imaging.

Application

• NIR-Absorbing Dye Synthesis: A critical precursor for manufacturing cyanine dyes used in optical recording media (CD-R, DVD-R) and laser filters.
• Fluorescent Probe Development: Used in research to create sensitive fluorescent labels and probes for bioimaging and diagnostic assays.
• Photodynamic Therapy (PDT) Agents: Serves as an intermediate for photosensitizers in medical research for targeted cancer treatments.
• Non-Linear Optical Materials: Employed in the development of advanced materials for photonics, including optical limiters and switches.
• Laser Dye Manufacturing: A key component in the production of tunable dye laser media for scientific and industrial lasers.
• Sensor Technology: Used to fabricate chemical sensors and biosensors that rely on specific light absorption or emission changes.

Basic Information

Product Name	2-[2-[2-Chloro-3-[(1,3-Dihydro-1,3,3-Trimethyl-2 H-Indol-2-Ylidene) Ethylidene]-1-Cyclohexen-1-Yl]Ethenyl]-1,3,3-Trimethylindolium Iodide
CAS No.	56289-67-9
Molecular Formula	C31H34ClIN2
Molecular Weight	597.97 g/mol
Synonyms	IR-125; 2-[2-[2-Chloro-3-[(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-1-cyclohexen-1-yl]ethenyl]-1,3,3-trimethyl-3H-indolium iodide; 1,3,3-Trimethyl-2-[2-[2-chloro-3-[(1,3,3-trimethyl-2-indolinylidene)ethylidene]-1-cyclohexen-1-yl]ethenyl]indolium iodide; Cyanine dye IR-125; NSC 374680; Astrazon Orange R
EINECS	Contact for details

Quality Control

Our 2-[2-[2-Chloro-3-[(1,3-Dihydro-1,3,3-Trimethyl-2 H-Indol-2-Ylidene) Ethylidene]-1-Cyclohexen-1-Yl]Ethenyl]-1,3,3-Trimethylindolium Iodide is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for sensitive applications. Each lot is analyzed via HPLC, NMR, and mass spectrometry to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat and incompatible materials. The container should be kept tightly sealed in a dry environment to minimize moisture exposure.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 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.