4-oxahomoadamantan-5-one

4-噁高金刚烷-5-酮

Also known as: 4-oxatricyclo[4.3.1.1~3,8~]undecan-5-one, 4-oxatricyclo[4.3.1.13,8]undecan-5-one, (1R,3R,6S,8S)-4-oxatricyclo[4.3.1.13,8]undecan-5-one, (1R,3r,8S)-4-oxatricyclo[4.3.1.13,8]undecan-5-one, 2-oxatricycloundecan-9-one

4-oxahomoadamantan-5-one (CAS 21898-84-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H14O2 and a molecular weight of 166.21700 g/mol. It is also known as 4-oxatricyclo[4.3.1.1~3,8~]undecan-5-one, 4-oxatricyclo[4.3.1.13,8]undecan-5-one and (1R,3R,6S,8S)-4-oxatricyclo[4.3.1.13,8]undecan-5-one. Key properties include a boiling point of 297.6ºC at 760 mmHg, a density of 1.148 g/cm3 and a flash point of 121ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21898-84-0
Jingsj CID
J-1506666-0
Molecular Formula
C10H14O2
Chinese Name
4-噁高金刚烷-5-酮
Molecular Weight
166.21700 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point297.6ºC at 760 mmHg
Density1.148 g/cm3
Flash Point121ºC

Frequently Asked Questions

What is the CAS number of 4-oxahomoadamantan-5-one?

The CAS number of 4-oxahomoadamantan-5-one is 21898-84-0.

What are the molecular formula and molecular weight of 4-oxahomoadamantan-5-one?

4-oxahomoadamantan-5-one has molecular formula C10H14O2 and molecular weight 166.21700 g/mol.

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

Last updated:

How to cite: Jingsj. "4-oxahomoadamantan-5-one (CAS 21898-84-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506666-0 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.