Description

2,3,7-/2,3,8-Trimethyldibenzothiophene is a high-purity, multi-isomeric polycyclic aromatic sulfur heterocycle (PASH) of significant industrial and research interest. This compound serves as a critical reference standard and analytical marker for the identification and quantification of complex sulfur-containing organic mixtures. It is primarily utilized by petrochemical research laboratories, environmental testing facilities, and advanced material scientists requiring precise molecular benchmarks.

Application

• Petroleum Geochemistry & Oil Fingerprinting: Used as a diagnostic molecular marker to assess the thermal maturity and depositional environment of crude oils and source rocks.
• Environmental Analysis: Acts as a reference standard for monitoring and quantifying polycyclic aromatic sulfur heterocycles (PASHs) in environmental samples, soils, and sediments.
• Fuel Analysis & Catalysis Research: Employed in studies focused on hydrodesulfurization (HDS) processes to develop more efficient catalysts for producing cleaner fuels.
• Organic Synthesis & Material Science: Serves as a sophisticated building block or precursor for synthesizing novel organic electronic materials or ligands.
• Analytical Method Development: Essential for calibrating and validating advanced analytical instruments like GC-MS and HPLC for specific sulfur compound detection.

Basic Information

Product Name	2,3,7-/2,3,8-Trimethyldibenzothiophene
CAS No.	153524-16-4
Molecular Formula	C15H14S
Molecular Weight	226.33 g/mol
Synonyms	2,3,7-Trimethyldibenzothiophene; 2,3,8-Trimethyldibenzothiophene; Trimethyldibenzothiophene (mixed isomers); Dibenzo[b,d]thiophene, 2,3,7-trimethyl-; Dibenzo[b,d]thiophene, 2,3,8-trimethyl-; TMBT (abbreviation); PASH C15
EINECS	Contact for details

Quality Control

Our production of 2,3,7-/2,3,8-Trimethyldibenzothiophene adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Every lot is characterized using advanced analytical techniques including GC-MS, HPLC, and NMR for precise isomer identification and purity verification. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and isomer distribution is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. Due to its light-sensitive and easily oxidized nature, prolonged exposure to air and light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Total Isomers)
Isomer Distribution (GC-MS)	Reported on COA
Melting Point	Contact for details
Heavy Metals	< 10 ppm

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