Description

2H-Chromene CAS NO 254-04-6 is a fundamental heterocyclic organic compound featuring a fused benzene and pyran ring system. This versatile chemical scaffold is of significant importance in organic synthesis and pharmaceutical research, serving as a key precursor and intermediate. It is primarily sought after by research institutions and industrial R&D departments engaged in the development of novel pharmaceuticals, agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing a wide range of bioactive molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Organic Synthesis: Serves as a versatile precursor for constructing more complex heterocyclic compounds and natural product analogs.
• Material Science: Investigated for the creation of organic light-emitting diodes (OLEDs), fluorescent dyes, and advanced polymers.
• Academic & Industrial R&D: Essential for chemical research in medicinal chemistry, process development, and method exploration.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing certain aroma chemicals.

Basic Information

Product Name	2H-Chromene
CAS No.	254-04-6
Molecular Formula	C9H8O
Molecular Weight	132.16 g/mol
Synonyms	2H-1-Benzopyran; Chromene; 1-Benzopyran; 2H-Chromen; 2H-1-Benzopyran, Dihydro-; Benzo[b]pyran; 3,4-Dihydro-2H-1-benzopyran
EINECS	205-965-8

Quality Control

Our 2H-Chromene is produced and controlled under a stringent quality management system. We provide material that meets high-purity standards suitable for research and development applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available for every batch upon request to ensure traceability and compliance with your project specifications.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Contact for higher grades)
Water Content (KF)	≤ 0.5%

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