Description

9-(2-Carboxyphenyl)-3,6-Bis(Diethylamino)Xanthylium Hydrogen Sulphate is a specialized organic salt belonging to the xanthylium dye family, valued for its distinct photophysical properties. This compound serves as a crucial intermediate and functional material in advanced chemical synthesis and materials science. It is primarily sought by manufacturers and R&D laboratories in the dye and pigment, analytical reagent, and high-performance material sectors for its role in developing colorants, sensors, and functional additives.

Application

• Dye and Pigment Intermediate: A key precursor for synthesizing specialized rhodamine and xanthene-based dyes used in textiles, inks, and coatings.
• Fluorescent Probe Synthesis: Utilized in the development of fluorescent markers and sensors for biological imaging and diagnostic applications.
• Analytical Chemistry Reagent: Acts as a chromogenic agent or a standard in spectrophotometric analysis and method development.
• Laser Dye Component: Employed in the formulation of tunable dye lasers and other photonic devices due to its favorable emission characteristics.
• Functional Material Additive: Incorporated into polymers or coatings to impart specific optical or electronic properties.
• Research & Development: Serves as a building block in organic synthesis for novel compounds in academic and industrial research.

Basic Information

Product Name	9-(2-Carboxyphenyl)-3,6-Bis(Diethylamino)Xanthylium Hydrogen Sulphate
CAS No.	84912-22-1
Molecular Formula	C28H31N2O6S
Molecular Weight	523.62 g/mol
Synonyms	Rhodamine B Carboxyphenyl Ester Hydrogen Sulphate; 3,6-Bis(diethylamino)-9-[2-(carboxyphenyl)]xanthylium Hydrogen Sulphate; Sulforhodamine B Carboxyphenyl Ester Salt; Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, hydrogen sulfate; Acidic Rhodamine B Derivative; CAS 84912-22-1
EINECS	Contact for details

Quality Control

Our production of 9-(2-Carboxyphenyl)-3,6-Bis(Diethylamino)Xanthylium Hydrogen Sulphate adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment 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). This product is hygroscopic (moisture-sensitive); ensure the container is sealed immediately after use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Dark red to purple crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 5.0%

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