Description

4,6-Dimethyldibenzothiophene is a high-purity, polycyclic aromatic sulfur heterocycle (PASH) of significant industrial and research interest. This compound serves as a critical reference standard and a key synthetic intermediate in advanced material science and analytical chemistry. It is primarily utilized by researchers and manufacturers in the petrochemical, environmental monitoring, and organic electronics sectors for its well-defined structural and electronic properties.

Application

• Petroleum Analysis & Sulfur Speciation: Acts as a crucial calibration standard and model compound in gas chromatography (GC) and comprehensive two-dimensional gas chromatography (GC×GC) for identifying and quantifying sulfur-containing species in crude oil, diesel, and other refined fuels.
• Environmental Science: Used as a diagnostic marker in environmental forensics to trace the source and weathering of oil spills and other hydrocarbon pollution in soil and water.
• Organic Semiconductor Research: Serves as a building block or dopant in the development of novel organic electronic materials, including field-effect transistors (OFETs) and photovoltaics, due to its fused aromatic structure.
• Catalysis Studies: Employed as a substrate in hydrodesulfurization (HDS) research to evaluate the performance and mechanisms of new catalysts designed for ultra-deep sulfur removal from fuels.
• Chemical Synthesis: Functions as a versatile precursor for synthesizing more complex dibenzothiophene derivatives and functionalized polycyclic aromatic compounds.
• Analytical Method Development: Provides a benchmark for developing and validating new analytical techniques, such as mass spectrometry and fluorescence spectroscopy, for polycyclic aromatic compound detection.

Basic Information

Product Name	4,6-Dimethyldibenzothiophene
CAS No.	1207-12-1
Molecular Formula	C14H12S
Molecular Weight	212.31 g/mol
Synonyms	4,6-Dimethyldibenzothiophene; Dibenzothiophene, 4,6-dimethyl-; 4,6-DMDBT; 4,6-Dimethyl-dibenzothiophene; 4,6-Dimethylbenzo[b]thiophene; NSC 163083; 4,6-Dimethyl-9-thiafluorene
EINECS	214-896-4

Quality Control

Our 4,6-Dimethyldibenzothiophene is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC-MS, and NMR, to ensure high purity and structural identity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment ensures the material's suitability for demanding applications in research and as an analytical standard.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details

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