Description

9-(2-Carboxyphenyl)-3,6-Bis(Diethylamino)Xanthylium Hydroxide is a high-purity, functionalized xanthene dye intermediate. This compound is valued for its role as a key precursor in the synthesis of advanced fluorescent dyes and biological staining agents. It is essential for manufacturers and R&D laboratories in the life sciences, analytical chemistry, and specialty chemical sectors seeking to develop or produce sensitive detection reagents.

Application

• Fluorescent Dye Synthesis: A critical building block for producing rhodamine and rosamine-based fluorescent probes and labels.
• Biological Stains: Used in the manufacture of stains for microscopy, flow cytometry, and histology applications.
• Sensor Development: Serves as a core structure for creating chemosensors and biosensors for pH, metal ions, or biomolecules.
• Laser Dyes: A potential intermediate for tunable dye lasers operating in the visible spectrum.
• Photographic Sensitizers: Can be utilized in the formulation of light-sensitive materials and photographic emulsions.
• Non-linear Optical Materials: Investigated for use in the development of materials for photonics and optoelectronics.

Basic Information

Product Name	9-(2-Carboxyphenyl)-3,6-Bis(Diethylamino)Xanthylium Hydroxide
CAS No.	13082-47-8
Molecular Formula	C30H34N2O3
Molecular Weight	470.60 g/mol
Synonyms	Rhodamine B Carboxylic Acid; Rhodamine B Base; 9-(2-Carboxyphenyl)-3,6-bis(diethylamino)xanthylium inner salt; 3,6-Bis(diethylamino)-9-(2-carboxyphenyl)xanthylium hydroxide; Rhodamine B free acid; Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, hydroxide; CI 45170:1
EINECS	235-989-8

Quality Control

Our production of 9-(2-Carboxyphenyl)-3,6-Bis(Diethylamino)Xanthylium Hydroxide adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance.

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). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark green to purple crystalline powder
Identification (IR)	Conforms to structure
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.