Description

3,3'-Dipropylthiacarbocyanine Iodide is a synthetic cyanine dye salt, a member of the thiacarbocyanine family, widely recognized for its photophysical properties. This compound is valued for its strong absorption and fluorescence in the visible to near-infrared region, making it a critical functional material for advanced research and development. It is primarily utilized by researchers and manufacturers in the fields of biochemistry, photonics, and materials science for applications such as fluorescence labeling, laser dyes, and as a sensitizer in photographic and optoelectronic systems.

Application

• Fluorescent Labeling and Staining: Used as a vital fluorescent probe or stain in biological assays, cell imaging, and flow cytometry due to its membrane-permeant properties and specific spectral characteristics.
• Laser Dye Medium: Serves as an active gain medium in tunable dye lasers, particularly for applications requiring emission in its specific wavelength range.
• Photographic Sensitizer: Employed in the photographic industry to extend the spectral sensitivity of silver halide emulsions.
• Optoelectronic Research: Investigated for use in organic light-emitting diodes (OLEDs), nonlinear optical materials, and as a model compound in photochemical studies.
• DNA and Protein Detection: Can be utilized in gel electrophoresis and other analytical techniques for the visualization of biomolecules.
• Sensor Development: Acts as a key component in the fabrication of chemical sensors and biosensors that rely on fluorescence signal transduction.

Basic Information

Product Name	3,3'-Dipropylthiacarbocyanine Iodide
CAS No.	53336-12-2
Molecular Formula	C₂₃H₂₅IN₂S
Molecular Weight	504.43 g/mol
Synonyms	DTTC Iodide; 3,3'-Dipropylthiadicarbocyanine Iodide; DiSC3(5); 1,1'-Dipropyl-3,3,3',3'-tetramethylindodicarbocyanine Iodide; Thiacarbocyanine Dye; Cyanine dye 3,3'-dipropylthiacarbocyanine iodide; 2-[3-(1,3-Dihydro-3,3-dimethyl-1-propyl-2H-indol-2-ylidene)-1-propen-1-yl]-3,3-dimethyl-1-propyl-3H-indolium iodide
EINECS	Contact for details

Quality Control

Our 3,3'-Dipropylthiacarbocyanine Iodide is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment, NMR and mass spectrometry for structural confirmation, and spectrophotometry to verify key optical properties. We provide Certificates of Analysis (COA) with each shipment, detailing all relevant specifications to ensure the material meets the rigorous demands of research and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This product is light-sensitive (store away from light). For long-term storage, consider desiccation and storage under inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Dark green to blue-green crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95% (Typical 97-99%)
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 1.0%
Absorption Max (λmax)	~650-670 nm (in methanol)
Emission Max (λem)	~670-690 nm (in methanol)

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