Description

2H-1-Benzopyran-2-One is a high-purity organic compound belonging to the coumarin class of heterocyclic molecules. This versatile chemical intermediate is valued for its role in the synthesis of more complex molecules with diverse biological and material science applications. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for development and production processes.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those with anticoagulant, anti-inflammatory, or antimicrobial properties.
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and fungicides due to its bioactive coumarin core structure.
• Fragrance & Flavor Precursor: Acts as a starting material for the production of certain coumarin-derived fragrance and flavor compounds.
• Organic Light-Emitting Diodes (OLEDs): Investigated as a potential component or precursor in the development of organic electronic materials and emissive layers.
• Fluorescent Dyes & Probes: Utilized in the synthesis of coumarin-based fluorescent markers and sensors for biological and chemical detection.
• Academic & Industrial Research: Employed as a standard or reagent in chemical research for studying reaction mechanisms and developing new synthetic methodologies.

Basic Information

Product Name	2H-1-Benzopyran-2-One
CAS No.	103802-83-1
Molecular Formula	C9H6O2
Molecular Weight	146.14 g/mol
Synonyms	Coumarin; 1,2-Benzopyrone; 2H-Chromen-2-one; 2-Oxo-1,2-benzopyran; cis-o-Coumarinic acid lactone; Benzo-α-pyrone; Tonka bean camphor; 1-Benzopyran-2-one
EINECS	Contact for details

Quality Control

Our 2H-1-Benzopyran-2-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. For customers requiring specific pharmacopeial standards (e.g., USP, EP), please contact us to discuss custom synthesis and qualification.

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). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed when not in use to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	68 - 72 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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