1,4-Dioxaspiro[4.4]nonane

Also known as: 1,4-Dioxaspiro[4.4]nonane, Cyclopentanone ethylene ketal, Cyclopentanone ethylene acetal, 1,4-Dioxaspiro(4.4)nonane

1,4-Dioxaspiro[4.4]nonane (CAS 176-32-9) is a compound in the Aliphatic Hydrocarbons 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 54-55ºC35 mm Hg(lit.), a density of 1.03 g/mL at 25ºC(lit.) and a flash point of 48.9 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 176-32-9
Jingsj CID: J-18477-0
Molecular Formula: C₇H₁₂O₂
Molecular Weight: 128.16900 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 11/2/2026

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Physicochemical Properties

Boiling Point	54-55ºC35 mm Hg(lit.)
Density	1.03 g/mL at 25ºC(lit.)
Flash Point	48.9 °C
Exact Mass	128.08400
PSA	18.46000
LogP	1.30350
Vapor Pressure	7.53mmHg at 25°C
Refractive Index	n20/D 1.448(lit.)

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 1,4-Dioxaspiro[4.4]nonane?

The CAS number of 1,4-Dioxaspiro[4.4]nonane is 176-32-9.

What are the molecular formula and molecular weight of 1,4-Dioxaspiro[4.4]nonane?

1,4-Dioxaspiro[4.4]nonane has molecular formula C7H12O2 and molecular weight 128.16900 g/mol.

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

Last updated: 11/2/2026

How to cite: Jingsj. "1,4-Dioxaspiro[4.4]nonane (CAS 176-32-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18477-0 (accessed 2026-11-09).

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