3,3-Dimethyltetrahydro-2H-pyran-2-one

Also known as: 2H-Pyran-2-one, tetrahydro-3,3-dimethyl-, 3,3-dimethyloxan-2-one, 3,3-Dimethyl-tetrahydro-pyran-2-one, tetrahydro-3,3-dimethyl-2H-pyran-2-one, 3,3-DIMETHYL-TETRAHYDRO-PYRAN-2-ONE

3,3-Dimethyltetrahydro-2H-pyran-2-one (CAS 4830-05-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H12O2 and a molecular weight of 128.16900 g/mol. Key properties include a boiling point of 206.3ºC at 760 mmHg, a density of 0.967g/cm3 and a flash point of 74.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4830-05-1
Jingsj CID: J-1461597-5
Molecular Formula: C₇H₁₂O₂
Molecular Weight: 128.16900 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	206.3ºC at 760 mmHg
Density	0.967g/cm3
Flash Point	74.8ºC
Exact Mass	128.08400
PSA	26.30000
LogP	1.34960
Refractive Index	1.428

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 3,3-Dimethyltetrahydro-2H-pyran-2-one?

The CAS number of 3,3-Dimethyltetrahydro-2H-pyran-2-one is 4830-05-1.

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

3,3-Dimethyltetrahydro-2H-pyran-2-one has molecular formula C7H12O2 and molecular weight 128.16900 g/mol.

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

For 3,3-Dimethyltetrahydro-2H-pyran-2-one, Upstream Products: 2,2-Dimethyl-4-pentenal, 2,2-Dimethylglutaric anhydride, 2,2-Dimethylglutaric acid.

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. "3,3-Dimethyltetrahydro-2H-pyran-2-one (CAS 4830-05-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1461597-5 (accessed 2026-11-09).

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