Description

Pseudoisocyanine is a specialized organic dye intermediate belonging to the cyanine dye family, known for its unique photophysical properties. This compound is critical for synthesizing advanced functional dyes and pigments with specific light-absorption and emission characteristics. It is primarily utilized by manufacturers in the photographic, optical data storage, and specialty chemical industries, where precise molecular control over color and light interaction is required.

Application

• Sensitizing Dye Synthesis: A key intermediate for producing cyanine and merocyanine dyes used in silver halide photographic films and papers.
• Optical Recording Media: Used in the manufacture of dyes for CD-R, DVD-R, and other optical data storage technologies.
• Laser and Nonlinear Optics: Serves as a precursor for dyes employed in dye lasers, optical limiters, and other photonic devices.
• Biomedical Staining: Potential use in the development of fluorescent probes and stains for biological imaging and diagnostics.
• Organic Semiconductor Research: Investigated as a building block for organic light-emitting diodes (OLEDs) and photovoltaic cells due to its π-conjugated system.
• Analytical Chemistry: Can be used as a reagent or standard in spectroscopic analysis and method development.

Basic Information

Product Name	Pseudoisocyanine
CAS No.	20766-49-8
Molecular Formula	C23H23N2+ I-
Molecular Weight	430.35 g/mol
Synonyms	1,1'-Diethyl-2,2'-cyanine iodide; 2,2'-Cyanine, 1,1'-diethyl-, iodide; Pseudoisocyanine iodide; 1-Ethyl-2-[(1-ethyl-2(1H)-quinolinylidene)methyl]quinolinium iodide; Quinoline Red; Astrazon Pink FG; Basic Red 12; CI 48070
EINECS	244-045-6

Quality Control

Our Pseudoisocyanine is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and UV-Vis spectroscopy to confirm identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to bronze crystalline powder
Identification (IR)	Conforms to structure
Identification (UV-Vis)	λmax conforms
Assay (HPLC)	≥ 98.0%
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.