Tetrahydro-2H-pyran-4-ol

Also known as: Tetrahydro-4-pyranol, 4-Hydroxytetrahydropyran, 2H-Pyran-4-ol, tetrahydro, Oxan-4-ol, POH, 4-hydroxyTHP, Tetrahydro-4H-pyran-4-ol, tetrahydro-2H-4-pyranol

Tetrahydro-2H-pyran-4-ol (CAS 2081-44-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H10O2 and a molecular weight of 102.132 g/mol. Key properties include a boiling point of 183.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 87.8±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2081-44-9
Jingsj CID: J-50074-6
Molecular Formula: C₅H₁₀O₂
Molecular Weight: 102.132 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	183.0±0.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	87.8±0.0 °C
Exact Mass	102.068077
PSA	29.46000
LogP	-0.44
Vapor Pressure	0.2±0.7 mmHg at 25°C
Refractive Index	1.468

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-2H-pyran-4-ol?

The CAS number of Tetrahydro-2H-pyran-4-ol is 2081-44-9.

What are the molecular formula and molecular weight of Tetrahydro-2H-pyran-4-ol?

Tetrahydro-2H-pyran-4-ol has molecular formula C5H10O2 and molecular weight 102.132 g/mol.

What are the upstream and downstream products of Tetrahydro-2H-pyran-4-ol?

For Tetrahydro-2H-pyran-4-ol, Upstream Products: Tetrahydro-4H-pyran-4-one, 1,3,5-trioxane, 3-Buten-1-ol; Downstream Products: 4-bromo-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole, 5,6-Dihydro-2H-pyran-2-one, 5-Bromo-2-(tetrahydro-2H-pyran-4-yloxy)pyridine.

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. "Tetrahydro-2H-pyran-4-ol (CAS 2081-44-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50074-6 (accessed 2026-11-06).

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