Description

4-(2-Carboxy-Phenyl)-7-Diethylamino-2-(7-Diethylamino-Chroman-2-One-3-Yl)-Chromyliumperchlorate is a specialized, high-purity chromylium-based dye intermediate. This compound is valued for its distinct photophysical properties, making it a critical precursor in the synthesis of advanced functional dyes and pigments. It is primarily utilized by manufacturers in the optical materials, laser dyes, and specialty chemical sensor industries seeking precise colorants and markers.

Application

• Laser Dye Precursor: A key intermediate for synthesizing near-infrared (NIR) and red-emitting laser dyes used in medical diagnostics and scientific instrumentation.
• Optical Data Storage Materials: Used in the development of advanced chromophores for high-density optical recording media and photoresists.
• Fluorescent Sensor Development: Serves as a building block for creating sensitive and selective fluorescent probes for chemical and biological detection.
• Non-Linear Optical (NLO) Materials: Employed in research and production of materials for photonics, including frequency doubling and optical switching applications.
• Specialty Pigments & Inks: Used to formulate high-performance, light-fast pigments and inks for security printing and specialized coatings.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer precursor in the development of new therapeutic agents.

Basic Information

Item	Detail
Product Name	4-(2-Carboxy-Phenyl)-7-Diethylamino-2-(7-Diethylamino-Chroman-2-One-3-Yl)-Chromyliumperchlorate
CAS No.	168206-21-1
Molecular Formula	C37H37N2O8Cl
Molecular Weight	673.15 g/mol
Synonyms	Chromylium, 4-(2-carboxyphenyl)-7-(diethylamino)-2-[3-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-2-oxo-2H-1-benzopyran-4-yl]-, perchlorate; 4-(2-Carboxyphenyl)-7-(diethylamino)-2-[3-[7-(diethylamino)-2-oxo-2H-chromen-3-yl]-2-oxo-2H-chromen-4-yl]chromylium perchlorate; DCM Derivative Perchlorate; Laser Dye Intermediate 168206-21-1; 4-(2-Carboxyphenyl)-7-diethylamino-2-(7-diethylamino-chroman-2-one-3-yl)chromylium perchlorate
EINECS	Contact for details

Quality Control

Our production of 4-(2-Carboxy-Phenyl)-7-Diethylamino-2-(7-Diethylamino-Chroman-2-One-3-Yl)-Chromyliumperchlorate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques, including HPLC, NMR, and mass spectrometry. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided to support your R&D and manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere such as nitrogen or argon for long-term storage. Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Dark red to purple crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 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.