Description

1,3-Dihydro-2-Benzothiophene-1,3-Dione is a versatile heterocyclic organic compound featuring a benzothiophene core. This high-purity intermediate is critical for advanced chemical synthesis, offering reliable performance and consistent quality for demanding industrial processes. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and other crop protection agents.
• Organic Light-Emitting Diodes (OLEDs): Serves as a precursor or core structure in the development of novel electron-transport or emissive materials.
• Dye and Pigment Manufacturing: Acts as an intermediate for creating specialized colorants and functional dyes.
• Polymer Chemistry: Utilized as a monomer or modifying agent to impart specific properties into polymer chains.
• Research & Development: Essential for academic and industrial R&D in medicinal chemistry, material science, and synthetic methodology.

Basic Information

Product Name	1,3-Dihydro-2-Benzothiophene-1,3-Dione
CAS No.	5698-59-9
Molecular Formula	C8H4O2S
Molecular Weight	164.18 g/mol
Synonyms	2-Benzothiophene-1,3-dione; 1,3-Benzothiophenedione; 1,3-Dioxo-1,3-dihydro-2-benzothiophene; 2,3-Dihydro-1-benzothiophene-1,3-dione; Isatin-1-thione; Thiaisatin; Benzothiophene-1,3-dione
EINECS	227-161-5

Quality Control

Our 1,3-Dihydro-2-Benzothiophene-1,3-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure it meets the high-purity standards required for sensitive synthetic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

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 incompatible materials such as strong bases and reducing agents. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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