Description

3H-Indolium, 2-[2-[(4-Methoxyphenyl) Amino] Ethenyl]-1,3,3-Trimethyl-, Phosphate is a specialized cationic dye intermediate belonging to the cyanine dye family, valued for its distinct photophysical properties. This compound is critical for applications requiring precise light absorption and emission characteristics, offering a high degree of molecular tunability. It is primarily sought by manufacturers in the advanced materials, optical data storage, and specialty chemical synthesis sectors.

Application

• Optical Data Storage Media: As a key photosensitizer or charge-control agent in the production of recordable CDs, DVDs, and Blu-ray discs.
• Laser Dye Precursor: Serving as an intermediate in the synthesis of near-infrared (NIR) absorbing cyanine dyes for tunable laser systems and medical diagnostics.
• Non-Linear Optical Materials: Used in research and development of materials for photonics, optical switching, and frequency doubling applications.
• Biomedical Imaging Probes: As a building block for developing fluorescent markers and contrast agents used in cellular imaging and bioassays.
• Photovoltaic Research: Investigated as a potential component in dye-sensitized solar cells (DSSCs) due to its light-harvesting properties.
• Analytical Chemistry Reagent: Employed as a sensitive chromogenic agent or complexometric indicator in specific spectrophotometric methods.

Basic Information

Item	Details
Product Name	3H-Indolium, 2-[2-[(4-Methoxyphenyl) Amino] Ethenyl]-1,3,3-Trimethyl-, Phosphate
CAS No.	33910-98-4
Molecular Formula	C20H25N2O4P
Molecular Weight	388.40 g/mol
Synonyms	Basic Red 13:1 (Phosphate Salt); 1,3,3-Trimethyl-2-[2-(4-methoxyphenylamino)vinyl]-3H-indolium phosphate; C.I. 48015:1; Astrazon Red GTL; Aizen Cathilon Red GTLH; Catacryl Red GTL; 2-[2-(4-Methoxyanilino)vinyl]-1,3,3-trimethyl-3H-indolium phosphate; 1,3,3-Trimethyl-2-[(4-methoxyphenyl)imino]methyl]-3H-indolium phosphate
EINECS	Contact for details

Quality Control

Our production of 3H-Indolium, 2-[2-[(4-Methoxyphenyl) Amino] Ethenyl]-1,3,3-Trimethyl-, Phosphate adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Every lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under dry conditions to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to dark blue crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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