Description

9-(2-Carboxyphenyl)-3,6-Bis(Ethylamino)Xanthylium Chloride is a specialized organic salt belonging to the xanthylium dye family, valued for its distinct photophysical properties. This compound serves as a critical intermediate and functional material in advanced chemical synthesis and analytical applications. It is primarily sought by manufacturers and research institutions in the pharmaceutical, dye, and analytical reagent sectors for developing sensitive detection systems and specialized colorants.

Application

• Fluorescent Probe Synthesis: Acts as a key precursor for developing fluorescent dyes and molecular probes used in bioimaging and diagnostic assays.
• Analytical Chemistry Reagent: Employed as a chromogenic agent or complexing agent in spectrophotometric methods for metal ion detection.
• Specialty Dye Intermediate: Used in the synthesis of cationic dyes for applications in textile, ink, and specialized coatings.
• Research & Development: Serves as a building block in organic synthesis for novel materials with light-absorbing or emitting characteristics.
• Photographic Sensitizers: Potential use in the formulation of light-sensitive layers for specialized photographic materials.
• Sensor Technology: Utilized in the development of chemical sensors due to its structural responsiveness to environmental changes.

Basic Information

Product Name	9-(2-Carboxyphenyl)-3,6-Bis(Ethylamino)Xanthylium Chloride
CAS No.	2768-89-0
Molecular Formula	C24H23ClN2O3
Molecular Weight	422.91 g/mol
Synonyms	Rhodamine B Carboxylic Acid; Rhodamine B Isomer; 3,6-Bis(ethylamino)-9-(2-carboxyphenyl)xanthylium chloride; 2-(6-(Ethylamino)-3-(ethylimino)-3H-xanthen-9-yl)benzoic acid hydrochloride; Acid Rhodamine B; Rhodamine B acid form; Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(ethylamino)-, chloride
EINECS	220-443-5

Quality Control

Our production of 9-(2-Carboxyphenyl)-3,6-Bis(Ethylamino)Xanthylium Chloride adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications and test results are provided to guarantee traceability and compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark green to reddish-brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 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.