Description

1,3,3-Trimethyl-2-[(Methylphenylhydrazono)Methyl]-3H-Indolium Chloride is a specialized cationic indole derivative, commonly recognized as a key intermediate in the synthesis of cyanine dyes. This compound matters for its role as a crucial building block in producing dyes and pigments with specific optical properties, offering high purity and batch-to-batch consistency essential for advanced manufacturing. Industrial users in the photographic, optical data storage, and biological staining reagent sectors rely on this high-quality chemical for its predictable performance in complex synthetic pathways.

Application

• Cyanine Dye Synthesis: A fundamental precursor for manufacturing heptamethine and other cyanine dyes used in photographic sensitizers and laser applications.
• Optical Data Storage Media: Used in the production of dyes for recordable CDs (CD-R) and DVDs, where specific light absorption properties are critical.
• Biological Staining and Labeling: Serves as an intermediate for fluorescent probes and stains used in bioimaging, flow cytometry, and histology.
• Non-Linear Optical Materials: A key component in the research and development of materials for photonics and optoelectronic devices.
• Textile and Specialty Dyes: Employed in the synthesis of high-value, color-fast dyes for niche textile and industrial coloring applications.
• Analytical Chemistry Reagents: Used to formulate sensitive colorimetric and fluorometric detection reagents for laboratory analysis.

Basic Information

Item	Detail
Product Name	1,3,3-Trimethyl-2-[(Methylphenylhydrazono)Methyl]-3H-Indolium Chloride
CAS No.	55850-01-6
Molecular Formula	C19H22ClN3
Molecular Weight	327.85 g/mol
Synonyms	2-[(E)-(Methylphenylhydrazono)methyl]-1,3,3-trimethyl-3H-indolium chloride; 1,3,3-Trimethyl-2-[(methylphenylhydrazono)methyl]indolium chloride; Trimethylindolenine aldehyde methylphenylhydrazone hydrochloride; Fischer's Base aldehyde methylphenylhydrazone salt; Cyanine dye intermediate C19; [2-[(Methylphenylhydrazono)methyl]-1,3,3-trimethylindolin-1-ium] chloride
EINECS	Contact for details

Quality Control

Our production of 1,3,3-Trimethyl-2-[(Methylphenylhydrazono)Methyl]-3H-Indolium Chloride adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure compliance with exacting industry standards. Certificates of Analysis (COA) documenting all critical parameters are available upon request 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 tightly sealed to protect this light-sensitive material from moisture and atmospheric contaminants.

Specification

Item	Specification
Appearance	Reddish-brown to dark green crystalline powder
Identification (IR)	Conforms to structure
Purity (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.