Description

Trimethyldibenzothiophene is a high-purity, polycyclic aromatic sulfur heterocycle (PASH) compound of significant industrial and research interest. Its value lies in its role as a critical reference standard and analytical marker for complex hydrocarbon matrices, enabling precise identification and quantification. This product is essential for laboratories and industries involved in petroleum geochemistry, environmental analysis, and advanced material science, where understanding sulfur-containing species is paramount.

Application

• Petroleum Geochemistry & Oil Fingerprinting: Serves as a diagnostic biomarker and internal standard for characterizing crude oils, assessing thermal maturity, and tracing oil spill sources.
• Environmental Analysis: Used as a certified reference material (CRM) for monitoring and quantifying polycyclic aromatic sulfur heterocycles (PASHs) in soil, water, and air samples.
• Fuel & Catalyst Research: Employed in studies of hydrodesulfurization (HDS) processes to evaluate catalyst performance and develop cleaner fuel technologies.
• Organic Synthesis & Material Science: Acts as a sophisticated building block or dopant in the synthesis of novel organic electronic materials and ligands.
• Analytical Method Development: Critical for calibrating and validating advanced analytical instruments like GC-MS, GC-SCD, and HPLC for sulfur-specific detection.

Basic Information

Product Name	Trimethyldibenzothiophene
CAS No.	70021-48-6
Molecular Formula	C15H14S
Molecular Weight	226.34 g/mol
Synonyms	Dibenzothiophene, trimethyl-; Trimethyl-dibenzothiophene; Polycyclic Aromatic Sulfur Heterocycle (PASH); 1,2,3-Trimethyldibenzothiophene (isomer); 2,3,7-Trimethyldibenzothiophene (isomer); 4-Methyldibenzo[b,d]thiophene (related); Sulfur Heterocycle Standard; C15 Alkylated Dibenzothiophene
EINECS	Contact for details

Quality Control

Every batch of Trimethyldibenzothiophene is produced and controlled under a strict quality management system. We guarantee high chemical purity and structural integrity, verified by advanced chromatographic and spectroscopic methods. Comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided to ensure traceability and support your research and compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents.

Specification

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

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