Tetrahydrothiopyran-4-one

Also known as: Tetrahydro-4H-thiopyran-4-one, 4-Thiacyclohexanone, 4-Oxothiane, Thian-4-one, 4-Oxotetrahydrothiopyran, 2,3,5,6-Tetrahydro-4-thiopyranone, Penthianone, Tetrahydro-1-thio-4-pyrone, Tetrahydro-4-thiopyrone, Dihydro-2H-thiopyran-4(3H)-one, 1-Thiacyclohexan-4-one, MFCD00006660, NSC 41599

Tetrahydrothiopyran-4-one (CAS 1072-72-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H8OS and a molecular weight of 116.18 g/mol. Key properties include a melting point of 60-64 °C(lit.), a boiling point of 218.7±33.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 105.5±11.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1072-72-6
Jingsj CID: J-1888919-5
Molecular Formula: C₅H₈OS
Molecular Weight: 116.18 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	60-64 °C(lit.)
Boiling Point	218.7±33.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	105.5±11.1 °C
Exact Mass	116.029587
PSA	42.37000
LogP	0.10
Vapor Pressure	0.1±0.4 mmHg at 25°C
Refractive Index	1.524

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 Tetrahydrothiopyran-4-one?

The CAS number of Tetrahydrothiopyran-4-one is 1072-72-6.

What are the molecular formula and molecular weight of Tetrahydrothiopyran-4-one?

Tetrahydrothiopyran-4-one has molecular formula C5H8OS and molecular weight 116.18 g/mol.

What are the upstream and downstream products of Tetrahydrothiopyran-4-one?

For Tetrahydrothiopyran-4-one, Upstream Products: Methyl 4-oxotetrahydro-2H-thiopyran-3-carboxylate, Dimethyl 3,3'-thiodipropionate, 1,5-dibromopentan-3-one; Downstream Products: Tetrahydrothiopyran-4-carbaldehyde, N-methyltetrahydro-2H-thiopyran-4-amine, 2-Pentyl-2-cyclopenten-1-one.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Tetrahydrothiopyran-4-one (CAS 1072-72-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1888919-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.