Description

1,3-Benzenedicarboxylic Acid, 4-(6-Hydroxy-3-Oxo-3H-Xanthen-9-Yl)- is a specialized xanthene derivative and a key intermediate in the synthesis of advanced functional dyes and fluorescent probes. This compound matters for its role as a precise molecular building block, enabling the development of materials with specific optical and chemical properties. It is primarily needed by manufacturers in the fine chemical, high-performance pigment, and life science research sectors for creating novel colorants, sensors, and labeling agents.

Application

• Fluorescent Dye & Pigment Synthesis: A crucial precursor for manufacturing high-value xanthene-based dyes, including rhodamine and fluorescein analogs, used in industrial colorants and security inks.
• Biochemical Probes & Stains: Serves as an intermediate for producing fluorescent tags and stains for cell imaging, flow cytometry, and diagnostic assays in life sciences.
• Advanced Material Research: Used in the development of organic light-emitting diodes (OLEDs), photoresists, and other optoelectronic materials requiring precise chromophore structures.
• Analytical Chemistry Reagents: Employed in the synthesis of chelating agents and indicator molecules for metal ion detection and environmental monitoring.
• Pharmaceutical Intermediates: Potential building block for the research and development of novel therapeutic agents and diagnostic pharmaceuticals.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, 4-(6-Hydroxy-3-Oxo-3H-Xanthen-9-Yl)-
CAS No.	500533-95-9
Molecular Formula	C22H12O7
Molecular Weight	388.33 g/mol
Synonyms	4-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)isophthalic acid; 9-(3,5-Dicarboxyphenyl)-6-hydroxy-3H-xanthen-3-one; Xanthene dye intermediate; Fluorescein dicarboxylic acid derivative; Rhodamine precursor; Isophthalic acid, 4-(6-hydroxy-3-oxo-3H-xanthen-9-yl)-; 500533-95-9
EINECS	Contact for details

Quality Control

Our production of 1,3-Benzenedicarboxylic Acid, 4-(6-Hydroxy-3-Oxo-3H-Xanthen-9-Yl)- adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet the high standards required for fine chemical synthesis. Certificates of Analysis (COA) detailing specific batch results are available upon request 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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