Description

3-Chromanone (CAS NO 19090-04-1) is a versatile heterocyclic organic compound that serves as a key synthetic intermediate in the production of complex molecules. Its value lies in its unique benzopyranone structure, which provides a crucial scaffold for constructing pharmacologically active compounds and advanced materials. This product is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries.

Application

• Pharmaceutical Intermediate: A critical building block for synthesizing various active pharmaceutical ingredients (APIs), particularly those with benzopyran-based structures.
• Agrochemical Synthesis: Used in the research and production of novel pesticides, herbicides, and fungicides.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and other specialty organic compounds.
• Flavor and Fragrance Industry: Employed in the synthesis of complex aroma chemicals and flavoring agents.
• Material Science Research: Investigated as a monomer or precursor for developing novel polymers and organic electronic materials.
• Academic and R&D Laboratories: A valuable reagent for methodological development in organic synthesis and medicinal chemistry.

Basic Information

Product Name	3-Chromanone
CAS No.	19090-04-1
Molecular Formula	C9H8O2
Molecular Weight	148.16 g/mol
Synonyms	3-Chromanon; 2,3-Dihydro-4H-1-benzopyran-4-one; 4-Chromanone; 3,4-Dihydro-2H-1-benzopyran-4-one; 4-Oxochroman; Dihydrocoumarin-4-one; Benzodihydropyran-4-one
EINECS	242-829-5

Quality Control

Our 3-Chromanone is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive quality assurance, with specifications typically meeting or exceeding standard laboratory and industrial grade requirements. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as purity, identity, and impurity profiles to support your quality protocols.

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 heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	36 - 40 °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.