Description

Phenoxathiin is a heterocyclic organic compound featuring a fused ring system of benzene, oxygen, and sulfur. This unique structure makes it a valuable intermediate and building block in advanced chemical synthesis, particularly for materials with specific electronic or photophysical properties. It is primarily utilized by research institutions and industrial manufacturers in the agrochemical, pharmaceutical, and specialty materials sectors for developing novel compounds.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new active pharmaceutical ingredients (APIs), especially those requiring a rigid, planar heterocyclic core.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its molecular framework can contribute to biological activity.
• Organic Electronic Materials: Acts as a precursor or dopant in the synthesis of organic semiconductors, charge-transport materials, and light-emitting compounds for OLEDs and other optoelectronic devices.
• Dye and Pigment Manufacturing: Employed as a structural component in the synthesis of specialized dyes and functional pigments.
• Ligand and Catalyst Development: Utilized in academic and industrial research to create novel ligands for metal-organic catalysis and coordination chemistry.
• Polymer Modification: Incorporated into polymer backbones to impart specific characteristics like thermal stability or altered refractive index for high-performance plastics.

Basic Information

Product Name	Phenoxathiin
CAS No.	262-20-4
Molecular Formula	C12H8OS
Molecular Weight	200.26 g/mol
Synonyms	Phenoxathin; Phenoxathiine; Dibenz[b,e]oxathin; 10-Oxa-10H-phenothiazine; 1-Oxa-4-thiafluorene; NSC 6175; Phenoxthine
EINECS	205-982-3

Quality Control

Our Phenoxathiin is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identity confirmation by FT-IR and NMR, purity assessment by HPLC or GC, and determination of key impurities. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to ensure compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	56 - 60 °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.