Description

Xanthene-9-Carboxylic Acid is a versatile organic intermediate characterized by its fused tricyclic aromatic structure and carboxylic acid functionality. This compound is highly valued for its role as a key building block in the synthesis of complex molecules, particularly in the development of dyes, pigments, and advanced functional materials. It is essential for research and production in the fine chemical, pharmaceutical, and specialty materials industries, where precise chemical architecture is required.

Application

• As a crucial precursor in the synthesis of xanthene dyes and fluorescent probes used in biological staining and analytical chemistry.
• Intermediate for manufacturing high-performance pigments and colorants for industrial applications.
• Building block in pharmaceutical research for developing novel active pharmaceutical ingredients (APIs) with specific optical properties.
• Key starting material in organic electronic materials research for light-emitting and charge-transporting molecules.
• Used in the preparation of ligands and complexing agents for catalytic and sensing applications.
• Employed in academic and industrial R&D for exploring new chemical reactions and synthetic methodologies.

Basic Information

Product Name	Xanthene-9-Carboxylic Acid
CAS No.	82-07-5
Molecular Formula	C14H10O3
Molecular Weight	226.23 g/mol
Synonyms	9H-Xanthene-9-carboxylic acid; 9-Carboxyxanthene; Xanthene-9-carboxylic acid; 9-Xanthenecarboxylic acid; NSC 403697; 9H-Xanthene-9-carboxylic acid; Dibenzo[a,e]pyran-9-carboxylic acid
EINECS	201-393-7

Quality Control

Our Xanthene-9-Carboxylic Acid is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling. Certificates of Analysis (COA) detailing all test results are available upon request to support your quality assurance and regulatory compliance needs.

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. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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