Flavone
Flavone (CAS: 525-82-6), with the molecular formula C15H10O2 and a molecular weight of 222.24 g/mol, is a crystallized synthetic compound. It serves as a fundamental building block in organic synthesis and is recognised for its presence in various bioactive small molecules. Flavone is employed in chemical research and has applications in fields requiring heterocyclic building blocks and as a precursor in the synthesis of natural dyes and related compounds.
- IUPAC
- 2-Phenyl-4H-1-benzopyran-4-one,2-Phenylchromone
- Synonyms
- 2-Phenyl-4H-1-benzopyran-4-one2-Phenylchromone

Chemical Synthesis
Flavone is a valuable intermediate and building block in organic synthesis, particularly for constructing complex heterocyclic structures. Its core benzopyran structure allows for diverse chemical modifications.
Research and Development
This compound is utilized in academic and industrial research settings to explore new synthetic pathways and investigate the biological activities of flavone derivatives.
Bioactive Small Molecules
As a scaffold found in numerous natural products and pharmaceuticals, flavone is a key starting material for developing novel bioactive small molecules with potential therapeutic applications.
Dye and Pigment Precursor
Flavone and its derivatives can be employed in the synthesis of certain natural dyes and pigments due to their chromophoric properties.
| Molecular weight | 222.24 |
|---|---|
| Empirical formula | C15H10O2 |
| Assay | ≥99.0% (HPLC) |
| Melting point | 94-97 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality | crystallizedsynthetic |
|---|---|
| Gene Information | human ... ADORA3(140), ANPEP(290), CYP1A2(1544)mouse ... Hexa(15211)rat ... Adora1(29290), Adora2a(25369), Ar(24208), Gabra2(29706) |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Flavone used for?
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Flavone is primarily used as a building block in chemical synthesis and in research and development for creating novel bioactive molecules and exploring dye synthesis. It is classified under benzopyrans, bioactive small molecules, heterocyclic building blocks, and natural dyes.
What are the CAS number and molecular formula for Flavone?
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The CAS number for Flavone is 525-82-6, and its molecular formula is C15H10O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Flavone with an assay of ≥99.0% (HPLC). This is a crystallized synthetic grade and is not represented as USP, BP, or EP.
How should Flavone be handled safely?
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Flavone is classified with Warning signal word and H315, H319, H335 hazard statements, indicating it causes skin irritation, serious eye irritation, and may cause respiratory irritation. Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area.
How is Flavone packed and shipped?
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Flavone is carefully packed to ensure safe transit and is available for export globally by Tech Serve Solutions.
How can I request a sample or quote for Flavone?
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To request a sample or a quote for Flavone, please contact our sales department through the website or by phone, providing your specific requirements.
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