Description

Dibenzo[B,D]Thiophene-3,7-Dicarboxylic Acid CAS NO 41738-65-2 is a high-purity, multifunctional organic building block featuring a rigid dibenzothiophene core with two carboxylic acid groups. This compound is valued for its role as a key intermediate in the synthesis of advanced materials, particularly in the development of organic semiconductors and luminescent polymers. It is primarily sought by R&D chemists and production specialists in the organic electronics, pharmaceutical, and specialty polymer industries for constructing complex molecular architectures.

Application

• Organic Semiconductor Precursor: A critical monomer for synthesizing n-type organic semiconductors and electron-transport materials used in OLEDs, OFETs, and perovskite solar cells.
• Luminescent Material Synthesis: Serves as a core building block for creating novel fluorescent dyes, phosphors, and metal-organic frameworks (MOFs) with tunable emission properties.
• Polymer & Dendrimer Chemistry: Used in the preparation of high-performance polyamides, polyimides, and hyperbranched polymers due to its rigid, planar structure and dual reactive sites.
• Pharmaceutical Intermediate: Employed in medicinal chemistry research for the construction of complex heterocyclic scaffolds with potential biological activity.
• Ligand for Catalysis: Can be utilized to develop novel chelating ligands for transition metal catalysts in cross-coupling and other organic transformations.
• Analytical Reference Standard: Supplied as a high-purity standard for analytical method development and quality control in related chemical production.

Basic Information

Product Name	Dibenzo[B,D]Thiophene-3,7-Dicarboxylic Acid
CAS No.	41738-65-2
Molecular Formula	C16H8O4S
Molecular Weight	296.30 g/mol
Synonyms	3,7-Dibenzo[b,d]thiophenedicarboxylic Acid; Dibenzo[b,d]thiophene-3,7-dicarboxylic Acid; 3,7-Dicarboxydibenzo[b,d]thiophene; DBTP-3,7-DCA; 3,7-Dibenzothiophenedicarboxylic Acid
EINECS	Contact for details

Quality Control

Our Dibenzo[B,D]Thiophene-3,7-Dicarboxylic Acid is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets stringent specifications for research and production use. A Certificate of Analysis (COA) detailing all test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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