Description

8-Hydroxy-9-Oxo-9H-Xanthene-1,3-Dicarboxylic Acid is a high-purity, functionalized xanthene derivative that serves as a critical advanced intermediate for synthesizing complex organic molecules. Its unique tricyclic core with multiple reactive sites makes it a valuable building block for research and industrial applications requiring precise molecular architecture. This compound is primarily sought by pharmaceutical R&D teams and specialty chemical manufacturers developing novel dyes, sensors, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those with xanthene-based scaffolds for therapeutic applications.
• Functional Dye & Pigment Synthesis: Serves as a core structure for developing specialized fluorescent dyes, pigments, and colorants with specific light-absorption properties.
• Chemical Sensor Development: Used in research to create molecular probes and chemosensors due to its derivatizable carboxylic acid and hydroxyl groups.
• Organic Electronic Materials: Investigated as a building block for organic semiconductors and charge-transport materials in electronic devices.
• Research & Development: Essential reference standard and starting material in academic and industrial organic chemistry research.
• Coordination Chemistry: Acts as a polydentate ligand for metal complexation, useful in catalysis and material science.

Basic Information

Product Name	8-Hydroxy-9-Oxo-9H-Xanthene-1,3-Dicarboxylic Acid
CAS No.	28917-02-4
Molecular Formula	C16H10O7
Molecular Weight	314.25 g/mol
Synonyms	1,3-Xanthenedicarboxylic acid, 8-hydroxy-9-oxo-; 9H-Xanthene-1,3-dicarboxylic acid, 8-hydroxy-9-oxo-; 8-Hydroxy-9-oxo-9H-xanthene-1,3-dicarboxylic acid; Xanthene-1,3-dicarboxylic acid, 8-hydroxy-9-oxo-; 8-Hydroxyfluorescein-1,3-dicarboxylic acid (related derivative); 9-Oxo-8-hydroxy-9H-xanthene-1,3-dicarboxylic acid
EINECS	Contact for details

Quality Control

Our 8-Hydroxy-9-Oxo-9H-Xanthene-1,3-Dicarboxylic Acid is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets exacting research and industrial-grade specifications. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and consistent quality.

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). The compound may be light-sensitive; prolonged exposure to light should be avoided. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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