Molekula
Tetrahydro-4H-pyran-4-one
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Tetrahydro-4H-pyran-4-one is a cyclic ketone used in organic synthesis and pharmaceutical research. It serves as an intermediate in the production of bioactive compounds and specialty chemicals. Available with CAS number 29943-42-8, molecular formula C5H8O2, and molecular weight 100.12, it is stable at ambient storage conditions. This compound carries a Warning signal word because it is a flammable liquid and vapour (H226). Molekula supplies Tetrahydro-4H-pyran-4-one from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — £27.50 per pack ex VAT · £33.00 inc. VAT
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25 g — £71.60 per pack ex VAT · £85.92 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless liquid |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 55 °C |
| Transport Class | 3 |
| Packing Group | III |
Identification
| Property | Value |
|---|---|
| SKU | 17593709 |
| CAS Number | 29943-42-8 |
| IUPAC Name | oxan-4-one |
| EC Number | 249-967-2 |
| Molecular Formula | C5H8O2 |
| Molecular Weight | 100.12 |
| Exact Mass | 100.0524 |
| SMILES | C1COCCC1=O |
| InChIKey | JMJRYTGVHCAYCT-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H8O2/c6-5-1-3-7-4-2-5/h1-4H2 |
| PubChem CID | 121599 |
| UN Number | UN1224 |
| REACH Code | Y110 |
| HTS Code | 2932.99.70.00 |
| Tariff Code | 2932990090 |
Safety & GHS
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Flammable
GHS02
Hazard statements
- H226 Flammable liquid and vapour
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P220 Keep/Store away from clothing/combustible materials
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2,3,5,6-Tetrahydro-4-pyranone
- 4-Oxacyclohexanone
- 4-Oxotetrahydropyran
- 4H-Pyran-4-one, tetrahydro-
- JMJRYTGVHCAYCT-UHFFFAOYSA-N
- oxan-4-one
- Tetrahydro-.gamma.-pyrone
- Tetrahydro-4-pyrone
- tetrahydropyran-4-one
Frequently asked questions
What is Tetrahydro-4H-pyran-4-one used for?
It is primarily used as a synthetic intermediate in organic chemistry, particularly in the synthesis of pharmaceuticals and fine chemicals.
What is the chemical formula and molecular weight?
The formula is C5H8O2 with a molecular weight of 100.12 g/mol.
How should Tetrahydro-4H-pyran-4-one be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
Available in technical grade; custom purity options may be available upon request.
Can Molekula supply it in bulk?
Yes, Molekula can supply Tetrahydro-4H-pyran-4-one in bulk quantities—please contact sales for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.