Description

Benzo[1,2-B:4,5-B']Dithiophene-4,8-Dione CAS NO 32281-36-0 is a high-purity, fused-ring heterocyclic compound featuring a diketone-substituted benzodithiophene core structure. This specialized organic intermediate is critical for the synthesis of advanced electronic materials due to its excellent electron-accepting properties and planar molecular geometry. It is primarily sought by R&D and production teams in the organic electronics and advanced materials sectors for developing next-generation semiconductors and optoelectronic devices.

Application

• Organic Semiconductor Synthesis: A key building block for n-type organic semiconductors and electron-transport materials in OFETs (Organic Field-Effect Transistors).
• Non-Fullerene Acceptor (NFA) Development: Serves as a fundamental electron-deficient unit in the design of high-performance NFAs for organic photovoltaic (OPV) cells.
• Perovskite Solar Cell Components: Used in the research and development of hole-transporting or interfacial layers to enhance device efficiency and stability.
• Electroluminescent Materials: Incorporated into the molecular backbone of emitters or host materials for OLED (Organic Light-Emitting Diode) applications.
• Chemical Research & Development: An essential intermediate for academic and industrial research in novel conjugated polymers and small molecules for electronics.
• Photocatalytic & Sensing Materials: Explored as a component in materials for photocatalysis and chemical sensing due to its tunable electronic properties.

Basic Information

Product Name	Benzo[1,2-B:4,5-B']Dithiophene-4,8-Dione
CAS No.	32281-36-0
Molecular Formula	C10H4O2S2
Molecular Weight	220.27 g/mol
Synonyms	4,8-Dioxobenzo[1,2-b:4,5-b']dithiophene; Benzo[1,2-b:4,5-b']dithiophene-4,8-dione; BDT-4,8-dione; 2,6-Dithiabicyclo[3.3.1]nona-3,7-diene-4,8-dione, 1,3a,5,7a-tetrahydro-; Thieno[3',4':5,6]naphtho[2,3-c]furan-5,10-dione (alternative fused-ring naming); BDT-dione; CAS 32281-36-0
EINECS	Contact for details

Quality Control

Our Benzo[1,2-B:4,5-B']Dithiophene-4,8-Dione is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and structural integrity essential for sensitive electronic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (HPLC/IR)	Conforms to reference standard
Purity (HPLC)	≥ 98.0% (Standard Grade)
Purity (HPLC)	≥ 99.0% (High Purity Grade)
Melting Point	Contact for details
Residue on Ignition	< 0.1%
Heavy Metals (as Pb)	< 10 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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