Description

2H-1-Benzopyran-2-Thione is a versatile heterocyclic organic compound with a thiocarbonyl functional group. This specialized chemical building block is valued for its unique reactivity profile, serving as a key intermediate in advanced synthesis. It is primarily utilized by research institutions and industrial R&D departments focused on pharmaceuticals, agrochemicals, and material science. The compound is supplied to meet the stringent quality requirements of modern chemical development.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel therapeutic agents and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of new pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in heterocyclic chemistry for constructing complex molecular architectures.
• Material Science: Investigated for potential applications in organic electronics and functional polymers.
• Chemical Research & Development: Serves as a reagent in methodological studies and catalyst development.
• Dye & Pigment Intermediate: Used in the synthesis of specialized chromophores and colorants.

Basic Information

Product Name	2H-1-Benzopyran-2-Thione
CAS No.	3986-98-9
Molecular Formula	C9H6OS
Molecular Weight	162.21 g/mol
Synonyms	2H-Chromene-2-thione; 2H-1-Benzopyran-2-thione; 2-Thioxo-2H-chromene; 2-Chromenethione; 2H-Chromen-2-thione; Thiocoumarin; 2-Oxochromene-2-thione; Coumarin-2-thione
EINECS	223-630-4

Quality Control

Our 2H-1-Benzopyran-2-Thione is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure consistency and reliability. Certificates of Analysis (COA) detailing all specifications are provided with every 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 area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.