Description

Dibenzothiophene-5-Oxide is a high-purity, sulfur-containing heterocyclic compound that serves as a crucial intermediate and reference standard in advanced chemical synthesis and analytical research. Its oxidized thiophene structure makes it a valuable building block for developing pharmaceuticals, organic electronic materials, and specialty chemicals. This product is essential for R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel drug candidates, particularly in medicinal chemistry research targeting sulfur-containing heterocycles.
• Organic Electronic Materials: Used in the research and development of organic semiconductors, charge-transport materials, and light-emitting materials due to its electron-rich structure.
• Analytical Reference Standard: Serves as a certified reference material (CRM) for HPLC, GC-MS, and NMR calibration in analytical laboratories for quantifying sulfur compounds.
• Agrochemical Synthesis: Intermediate in the production of advanced pesticides and herbicides where the sulfoxide moiety imparts specific biological activity.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to create novel ligands for catalysis, particularly in oxidation and cross-coupling reactions.
• Polymer Modification: Acts as a functional monomer or additive to introduce sulfur-oxygen groups into polymer chains, modifying thermal and electronic properties.
• Dye and Pigment Research: Building block for synthesizing specialized dyes and functional pigments with unique optical characteristics.
• Academic and Industrial R&D: Fundamental research chemical for studying reaction mechanisms, oxidation processes, and the properties of sulfoxides.

Basic Information

Product Name	Dibenzothiophene-5-Oxide
CAS No.	1013-23-6
Molecular Formula	C12H8OS
Molecular Weight	200.26 g/mol
Synonyms	5-Dibenzothiophene S-Oxide; Dibenzothiophene Sulfoxide; DBT-O; Dibenzothiophene 5-Oxide; Dibenzothiophene S-Oxide; Dibenzothiophene-5-S-Oxide; 5H-Dibenzothiophene-5-Oxide; 5-Oxodibenzothiophene
EINECS	213-805-2

Quality Control

Our Dibenzothiophene-5-Oxide is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and is supported by a detailed Certificate of Analysis (COA). We adhere to relevant industry standards for fine chemicals, and custom purity grades (e.g., >98%, >99%) are available to meet specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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