1,4-Dioxa-7-thiaspiro[4.4]nonane

Also known as: Dihydro-3(2H)-thiophenone Cyclic 1,2-Ethanediyl Acetal, 3-Oxotetrahydrothiophene ethylene ketal, 1,4-Dioxa-7-thiaspiro[4.4]nonane, 95+%, BUTTPARK 94\04-80

1,4-Dioxa-7-thiaspiro[4.4]nonane (CAS 176-35-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H10O2S and a molecular weight of 146.20700 g/mol. Key properties include a boiling point of 244.7ºC at 760mmHg, a density of 1.24g/cm3 and a flash point of 101.8℃. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 176-35-2
Jingsj CID: J-1328916-2
Molecular Formula: C₆H₁₀O₂S
Molecular Weight: 146.20700 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	244.7ºC at 760mmHg
Density	1.24g/cm3
Flash Point	101.8℃
Exact Mass	146.04000
PSA	43.76000
LogP	0.86640
Vapor Pressure	0.0468mmHg at 25°C
Refractive Index	1.546

Frequently Asked Questions

What is the CAS number of 1,4-Dioxa-7-thiaspiro[4.4]nonane?

The CAS number of 1,4-Dioxa-7-thiaspiro[4.4]nonane is 176-35-2.

What are the molecular formula and molecular weight of 1,4-Dioxa-7-thiaspiro[4.4]nonane?

1,4-Dioxa-7-thiaspiro[4.4]nonane has molecular formula C6H10O2S and molecular weight 146.20700 g/mol.

What are the upstream and downstream products of 1,4-Dioxa-7-thiaspiro[4.4]nonane?

For 1,4-Dioxa-7-thiaspiro[4.4]nonane, Upstream Products: Tetrahydrothiophen-3-one, Ethylene glycol.

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. "1,4-Dioxa-7-thiaspiro[4.4]nonane (CAS 176-35-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1328916-2 (accessed 2026-11-09).

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