Description

Benzo(B)Naphtho(1,2-D)Thiophene is a high-purity polycyclic aromatic sulfur heterocycle (PASH) compound, valued for its role as a key intermediate and reference standard in advanced materials and analytical chemistry. Its well-defined fused-ring structure makes it an essential building block for organic electronic materials and a critical marker for sulfur-containing species in complex matrices. This compound is primarily required by research institutions and industrial manufacturers specializing in organic semiconductors, photovoltaics, and environmental analysis.

Application

• Organic Electronic Materials: Serves as a fundamental precursor or dopant in the synthesis of organic semiconductors for OLEDs, OFETs, and photovoltaic cells.
• Analytical Reference Standard: Used as a certified reference material (CRM) for the calibration and quantification of polycyclic aromatic sulfur heterocycles (PASHs) in environmental, petrochemical, and fuel analysis via GC-MS or HPLC.
• Chemical Research: Acts as a model compound or starting material in synthetic organic chemistry for developing novel thiophene-based ligands, pharmaceuticals, or functional materials.
• Petroleum & Coal Chemistry: Employed in studies to understand the behavior, transformation, and removal of sulfur-containing compounds from fossil fuels and their derivatives.
• Material Science Development: Investigated for its photophysical properties in the design of new luminescent materials or sensors.

Basic Information

Product Name	Benzo(B)Naphtho(1,2-D)Thiophene
CAS No.	205-43-6
Molecular Formula	C₁₆H₁₀S
Molecular Weight	234.31 g/mol
Synonyms	Benzo[b]naphtho[1,2-d]thiophene; 1,2-Benzonaphthothiophene; 1,2:5,6-Dibenzothiophene; 1,2:5,6-Dibenzo[b]thiophene; 2,3:6,7-Dibenzothiophene; NSC 8928; Dibenzo[b,d]thiophene (isomeric); Benzonaphthothiophene
EINECS	205-905-5

Quality Control

Every batch of Benzo(B)Naphtho(1,2-D)Thiophene is produced and controlled under a strict quality management system. We employ advanced analytical techniques including HPLC, GC-MS, and NMR to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your research and quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%

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