Tetrahydro-4H-pyran-4-one
Also known as: Dihydro-2H-pyran-4(3H)-one, Tetrahydro-2H-pyran-4-one, Oxan-4-one, 4-Oxotetrahydropyran, 4-THP, Tetrahydropyran-4-one, 4-Oxacyclohexanone, Tetrahydro-4-pyrone, 2,3,5,6-Tetrahydropyran-4-one, 4H-Pyran-4-one, tetrahydro-
Tetrahydro-4H-pyran-4-one (CAS 29943-42-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H8O2 and a molecular weight of 100.116 g/mol. Key properties include a boiling point of 167.5±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 56.7±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 29943-42-8
- Jingsj CID
- J-1964769-2
- Molecular Formula
- C5H8O2
- Molecular Weight
- 100.116 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 167.5±15.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 56.7±0.0 °C |
| Exact Mass | 100.052429 |
| PSA | 26.30000 |
| LogP | -0.78 |
| Vapor Pressure | 1.7±0.3 mmHg at 25°C |
| Refractive Index | 1.440 |
| Additional Property | MISCIBLE |
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Tetrahydro-4H-pyran-4-one?
The CAS number of Tetrahydro-4H-pyran-4-one is 29943-42-8.
What are the molecular formula and molecular weight of Tetrahydro-4H-pyran-4-one?
Tetrahydro-4H-pyran-4-one has molecular formula C5H8O2 and molecular weight 100.116 g/mol.
What are the upstream and downstream products of Tetrahydro-4H-pyran-4-one?
For Tetrahydro-4H-pyran-4-one, Upstream Products: 4H-pyran-4-one, 2H-Pyran-4(3H)-one, Tetrahydro-2H-pyran-4-ol; Downstream Products: 3,6-dihydro-2H-pyran-4-carbonitrile, 4,4-dimethoxytetrahydro-2H-pyran-3-ol, 4-Cyanotetrahydro-4H-pyran.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrahydro-4H-pyran-4-one (CAS 29943-42-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1964769-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.