3-Ethyltetrahydro-2H-pyran-2-one

Also known as: 3-Ethyltetrahydro-2H-pyran-2-one, 3-Ethyloxan-2-one, 2-Ethylvalerolactone, 2-Ethyl-pentanolide, 3-Ethyl-tetrahydro-pyran-2-one, 3-Ethyl-3H-4,5,6-trihydropyran-2-one, 2H-Pyran-2-one, 3-ethyltetrahydro-

3-Ethyltetrahydro-2H-pyran-2-one (CAS 32821-68-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H12O2 and a molecular weight of 128.169 g/mol. Key properties include a boiling point of 227.0±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 85.6±15.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 32821-68-4
Jingsj CID: J-1088335-9
Molecular Formula: C₇H₁₂O₂
Molecular Weight: 128.169 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	227.0±8.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	85.6±15.9 °C
Exact Mass	128.083725
PSA	26.30000
LogP	0.82
Vapor Pressure	0.1±0.4 mmHg at 25°C
Refractive Index	1.432

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 3-Ethyltetrahydro-2H-pyran-2-one?

The CAS number of 3-Ethyltetrahydro-2H-pyran-2-one is 32821-68-4.

What are the molecular formula and molecular weight of 3-Ethyltetrahydro-2H-pyran-2-one?

3-Ethyltetrahydro-2H-pyran-2-one has molecular formula C7H12O2 and molecular weight 128.169 g/mol.

What are the upstream and downstream products of 3-Ethyltetrahydro-2H-pyran-2-one?

For 3-Ethyltetrahydro-2H-pyran-2-one, Upstream Products: delta-Valerolactone, Iodoethane, cis-3-Hexen-1-ol.

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. "3-Ethyltetrahydro-2H-pyran-2-one (CAS 32821-68-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088335-9 (accessed 2026-11-09).

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