Description

2-Benzylamino-4-Methyl-7-Diethylaminobenzopyrylium is a specialized organic dye intermediate belonging to the benzopyrylium (chromenylium) salt class. This compound matters for its role as a key precursor in the synthesis of advanced functional dyes and pigments, offering specific optical and electronic properties. Industries requiring high-performance colorants, such as laser dyes, nonlinear optical materials, and specialized analytical reagents, are the primary users of this chemical.

Application

• Key intermediate in the synthesis of near-infrared (NIR) absorbing dyes and laser dyes.
• Precursor for functional pigments used in optical data storage and security printing.
• Building block for cationic dyes applied in textile and paper coloration.
• Research and development of nonlinear optical (NLO) materials for photonic applications.
• Component in the formulation of sensitizers for dye-sensitized solar cells (DSSCs).
• Used in the development of fluorescent probes and markers for biological and chemical sensing.
• Specialty chemical for analytical chemistry reagents and pH indicators.

Basic Information

Product Name	2-Benzylamino-4-Methyl-7-Diethylaminobenzopyrylium
CAS No.	125419-41-2
Molecular Formula	C23H28N2O+ (typically as a salt, e.g., chloride or perchlorate)
Molecular Weight	348.48 g/mol (for free cation)
Synonyms	7-(Diethylamino)-2-[(phenylmethyl)amino]-4-methyl-1-benzopyrylium; 2-(Benzylamino)-4-methyl-7-diethylaminochromenylium; Chromenylium, 2-(benzylamino)-7-(diethylamino)-4-methyl-; Benzopyrylium dye intermediate; NIR dye precursor; Cationic chromene dye intermediate
EINECS	Contact for details

Quality Control

Our production of 2-Benzylamino-4-Methyl-7-Diethylaminobenzopyrylium adheres to strict in-process controls to ensure batch-to-batch consistency and high purity. The final product is characterized and verified using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, handling should be conducted under subdued lighting where practical.

Specification

Item	Specification
Appearance	Dark colored powder or crystals
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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