Description

7,8,9,10-Tetrahydrobenzo[B]Naphtho[2,1-D]Thiophene is a high-purity, fused polycyclic aromatic sulfur heterocycle of significant interest in advanced materials and pharmaceutical research. Its unique rigid, planar structure makes it a valuable key synthetic intermediate and building block for creating complex molecular architectures. This compound is primarily sought by R&D and production teams in the organic electronics, agrochemical, and pharmaceutical sectors for developing novel functional materials and active ingredients.

Application

• Organic Semiconductor Precursor: Serves as a core building block for the synthesis of novel p-type organic semiconductor materials, hole-transport materials (HTMs), and non-fullerene acceptors for organic photovoltaics (OPVs) and OLEDs.
• Pharmaceutical Intermediate: Used in the research and development of potential therapeutic agents, particularly in constructing complex polycyclic frameworks for kinase inhibitors or other targeted small molecule drugs.
• Agrochemical Synthesis: Acts as an advanced intermediate in the synthesis of new-generation herbicides, fungicides, or insecticides, where its fused ring system contributes to biological activity and stability.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to create novel ligands for catalysis, leveraging the electron-donating properties of the thiophene moiety within a constrained geometry.
• Dye and Pigment Chemistry: Functions as a precursor for the development of specialized dyes, pigments, and fluorescent markers due to its extended conjugated system.
• Material Science Research: Employed in academic and industrial R&D for exploring new carbon-based nanostructures, conductive polymers, and liquid crystals.

Basic Information

Product Name	7,8,9,10-Tetrahydrobenzo[B]Naphtho[2,1-D]Thiophene
CAS No.	16587-63-6
Molecular Formula	C₁₆H₁₂S
Molecular Weight	236.33 g/mol
Synonyms	Benzo[b]naphtho[2,1-d]thiophene, 7,8,9,10-tetrahydro-; 7,8,9,10-Tetrahydrobenzo[b]naphtho[2,1-d]thiophene; 1,2,3,4-Tetrahydrobenzo[b]naphtho[2,1-d]thiophene; Thianaphtheno[2,1-b]naphthalene, 1,2,3,4-tetrahydro-; Benzonaphthothiophene, tetrahydro-; Tetrahydrobenzonaphthothiophene
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for our chemical intermediates. Production follows cGMP principles where applicable, and each batch is analyzed using advanced techniques like HPLC, GC, and NMR to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
Purity (HPLC)	≥ 99.0% (High Purity Grade)
Melting Point	Contact for details
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.