1-oxaspiro[3.5]nonane

Also known as: Spiro[cyclohexane-1,2'-oxetane], 1-Oxa-spiro[3.5]nonane

1-oxaspiro[3.5]nonane (CAS 185-18-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H14O and a molecular weight of 126.19600 g/mol. Key properties include a boiling point of 160.1ºC at 760 mmHg, a density of 0.97g/cm3 and a flash point of 38.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 185-18-2
Jingsj CID: J-1423955-5
Molecular Formula: C₈H₁₄O
Molecular Weight: 126.19600 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	160.1ºC at 760 mmHg
Density	0.97g/cm3
Flash Point	38.4ºC
Exact Mass	126.10400
PSA	9.23000
LogP	2.10960
Vapor Pressure	3.15mmHg at 25°C
Refractive Index	1.477

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-oxaspiro[3.5]nonane?

The CAS number of 1-oxaspiro[3.5]nonane is 185-18-2.

What are the molecular formula and molecular weight of 1-oxaspiro[3.5]nonane?

1-oxaspiro[3.5]nonane has molecular formula C8H14O and molecular weight 126.19600 g/mol.

What are the upstream and downstream products of 1-oxaspiro[3.5]nonane?

For 1-oxaspiro[3.5]nonane, Upstream Products: Cyclohexanone; Downstream Products: 2-Cyclohexylethanol.

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-oxaspiro[3.5]nonane (CAS 185-18-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1423955-5 (accessed 2026-11-09).

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