2H-Pyran-2-one
2H-Pyran-2-one (CAS 504-31-4, C5H4O2) is a heterocyclic organic compound with a molecular weight of 96.08 g/mol. This alpha-pyrone derivative is recognised for its role as a building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its properties make it a valuable intermediate for the development of more complex molecular structures in various research and industrial applications. Tech Serve Solutions offers this compound for your chemical synthesis needs.
- IUPAC
- α-Pyrone
- Synonyms
- α-Pyrone

Organic Synthesis Intermediate
2H-Pyran-2-one serves as a versatile intermediate in organic synthesis. It can be employed in the construction of diverse heterocyclic frameworks and other complex organic molecules, facilitating research and development in medicinal chemistry and materials science.
Heterocyclic Compound Synthesis
As a pyran derivative, this compound is a key building block for synthesising other pyran-containing molecules. Its structure is amenable to various functionalisation reactions, enabling the creation of specialised heterocyclic compounds.
Research and Development
This chemical is utilised in laboratory settings for exploratory synthesis and the investigation of new chemical reactions. Its well-defined structure and reactivity make it a reliable reagent for academic and industrial R&D projects.
| Molecular weight | 96.08 |
|---|---|
| Empirical formula | C5H4O2 |
| Assay | 90% |
| Grade | technical |
| Boiling point | 102-103 °C/20 mmHg(lit.) |
| Density | 1.197 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.53(lit.) |
| Storage temperature | 2-8°C |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | 94 °C / 201.2 °F |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 2H-Pyran-2-one used for?
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2H-Pyran-2-one is primarily used as a building block in organic and heterocyclic chemical synthesis for research and development purposes.
What are the CAS number and formula for 2H-Pyran-2-one?
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The CAS number is 504-31-4, and the empirical formula is C5H4O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2H-Pyran-2-one in a technical grade with an assay of 90%. This product is not represented as USP, BP, or EP grade.
How should 2H-Pyran-2-one be handled and stored?
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Handle 2H-Pyran-2-one with appropriate personal protective equipment, including eyeshields and gloves. It is recommended to store the compound at 2-8°C due to its stability characteristics.
Is 2H-Pyran-2-one a controlled substance?
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The provided data does not indicate that 2H-Pyran-2-one is a controlled substance.
How can I request a sample or a quote for 2H-Pyran-2-one?
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To request a sample or a quote, please contact the Tech Serve Solutions sales department via our website or direct contact details.
How is 2H-Pyran-2-one typically shipped and exported?
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As a global supplier, Tech Serve Solutions exports 2H-Pyran-2-one following all relevant international shipping regulations for chemical compounds.
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