Description

Xanthene is a fundamental tricyclic organic compound that serves as the core structural scaffold for a wide range of commercially significant dyes, pigments, and fluorescent materials. Its unique fused ring system provides exceptional photophysical properties, making it invaluable for applications requiring precise color and light emission. This high-purity intermediate is essential for manufacturers and R&D laboratories in the dyestuff, fluorescent probe, and advanced material sectors who require a reliable and consistent building block for synthesis.

Application

• Dye and Pigment Manufacturing: Acts as the key precursor for the synthesis of xanthene dyes, including fluorescein, rhodamine, and eosin, used in inks, textiles, and biological stains.
• Fluorescent Probes and Markers: Serves as the core structure for developing highly sensitive fluorescent tags and sensors for biomedical research, diagnostics, and cellular imaging.
• Organic Light-Emitting Diodes (OLEDs): Utilized in the research and development of novel organic semiconductors and emissive materials for display and lighting technologies.
• Photocatalysis and Photoinitiators: Employed in the formulation of photoactive compounds for polymerization reactions and advanced catalytic processes.
• Analytical Chemistry: Used as a standard or reagent in spectroscopic methods and as a model compound in photochemical studies.
• Fine Chemical Synthesis: A versatile intermediate for constructing complex molecules in pharmaceutical and agrochemical research.

Basic Information

Product Name	Xanthene
CAS No.	92-83-1
Molecular Formula	C13H10O
Molecular Weight	182.22 g/mol
Synonyms	9H-Xanthene; Dibenzopyran; 10H-9-Oxaanthracene; Xanthen; 2,3:5,6-Dibenzopyran; NSC 6175; 9H-Xanthene (parent compound); Tricyclo[8.4.0.0³,⁸]tetradeca-1,3,5,7,9,11,13-heptaen-2-ol (tautomer)
EINECS	202-194-4

Quality Control

Our Xanthene is produced under a strict quality management system to ensure batch-to-batch consistency and high chemical purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP and ISO 9001 principles, and we support compliance with global regulatory frameworks including REACH.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	100°C - 103°C
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.