Description

1,1'-Dipropyl-3,3,3',3'-Tetramethylindocarbocyanine Iodide is a high-purity, near-infrared (NIR) absorbing cyanine dye salt, essential for advanced photonic and diagnostic applications. Its core value lies in its excellent fluorescence properties and photosensitivity, making it a critical component for precision research and manufacturing. This compound is primarily needed by industries focused on optical materials, biomedical imaging, and the development of laser dyes and sensors.

Application

• Fluorescent Labeling Agent: Used as a NIR fluorescent probe for labeling biomolecules in cellular imaging and bioassays.
• Optical Material Synthesis: A key intermediate in the production of advanced optical materials, including laser dyes and non-linear optical (NLO) crystals.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer in the development of new therapeutic agents.
• Sensor Development: Incorporated into chemical sensors and biosensors for the detection of specific analytes due to its photophysical properties.
• Semiconductor Research: Utilized in the study of organic semiconductors and dye-sensitized solar cells (DSSCs).
• Analytical Chemistry: Serves as a standard or reagent in spectroscopic analysis and chromatography.

Basic Information

Product Name	1,1'-Dipropyl-3,3,3',3'-Tetramethylindocarbocyanine Iodide
CAS No.	134564-83-3
Molecular Formula	C29H37IN2
Molecular Weight	564.43 g/mol
Synonyms	DTIC Iodide; 1,1'-Dipropyl-3,3,3',3'-tetramethylindocarbocyanine iodide; Cy3.5 Iodide (propyl analog); 2-[3-(1,1-Dipropyl-3,3,3',3'-tetramethylindocarbocyanin-2-ylidene)-1-propenyl]-3,3-dimethyl-1-propyl-3H-indolium iodide; 1,1'-Dipropylindocarbocyanine Iodide; NIR Cyanine Dye; Propyl-DTIC Iodide
EINECS	Contact for details

Quality Control

Our 1,1'-Dipropyl-3,3,3',3'-Tetramethylindocarbocyanine Iodide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets exacting research and industrial standards. A comprehensive Certificate of Analysis (COA) detailing purity, spectral data, and physical properties 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 product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept sealed in a desiccated environment and handled under low-light conditions to maintain stability and performance.

Specification

Item	Specification
Appearance	Dark green to blue-green crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Absorption (λmax)	Contact for details
Emission (λmax)	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.