Description

3,6-Bis(Diethylamino)-9-(2-Carboxyphenyl)-9,10-Didehydro-9H-Xanthene-10-Ium CAS NO 64381-98-2 is a high-purity, functionalized xanthene derivative, a key intermediate in the synthesis of advanced dyes and fluorescent probes. Its value lies in its unique molecular structure, which provides a versatile platform for creating colorants and markers with specific photophysical properties. This compound is essential for manufacturers and research institutions in the fine chemical, analytical reagent, and specialty dye industries.

Application

• Key intermediate in the synthesis of rhodamine and fluorescein-based fluorescent dyes for biological staining and microscopy.
• Precursor for the development of laser dyes and other photonic materials requiring specific absorption and emission profiles.
• Building block for sensitizers and photoinitiators used in advanced polymer and coating formulations.
• Research chemical for exploring novel organic electronic materials and charge-transfer complexes.
• Starting material for the production of high-value colorants used in inks, toners, and specialty pigments.
• Critical component in the development of pH indicators and chemosensors for analytical chemistry applications.

Basic Information

Product Name	3,6-Bis(Diethylamino)-9-(2-Carboxyphenyl)-9,10-Didehydro-9H-Xanthene-10-Ium
CAS No.	64381-98-2
Molecular Formula	C31H35N2O3+
Molecular Weight	483.62 g/mol
Synonyms	9-(2-Carboxyphenyl)-3,6-bis(diethylamino)xanthylium; Rhodamine B Carboxylic Acid Precursor; 3,6-Bis(diethylamino)-9-(2-carboxyphenyl)xanthylium; 9-(o-Carboxyphenyl)-3,6-bis(diethylamino)xanthylium; Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-; Precursor to Rhodamine 6G and B derivatives; Fluorescent Xanthene Salt Intermediate
EINECS	Contact for details

Quality Control

Our production of 3,6-Bis(Diethylamino)-9-(2-Carboxyphenyl)-9,10-Didehydro-9H-Xanthene-10-Ium adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and mass spectrometry to confirm identity and quantify impurities. Certificates of Analysis (COA) detailing all specifications are provided with every shipment, supporting compliance with research and industrial application standards.

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 when not in use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark red to purple crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 2.0%
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.