5,5,6,6,7,7,8,8,8-nonafluorooctane-2,4-dione

Also known as: 1,1,1,2,2,3,3,4,4-nonafluoro-5,7-octanedione, Nonafluoropentanoylacetone, Perfluoropentanoylacetone, 2,4-Octanedione, 5,5,6,6,7,7,8,8,8-nonafluoro-

5,5,6,6,7,7,8,8,8-nonafluorooctane-2,4-dione (CAS 355-84-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H5F9O2 and a molecular weight of 304.11000 g/mol. Key properties include a boiling point of 165.1ºC at 760mmHg, a density of 1.49g/cm3 and a flash point of 59.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 355-84-0
Jingsj CID: J-1143432-5
Molecular Formula: C₈H₅F₉O₂
Molecular Weight: 304.11000 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	165.1ºC at 760mmHg
Density	1.49g/cm3
Flash Point	59.1ºC
Exact Mass	304.01500
PSA	34.14000
LogP	3.00280

Customs & Trade Information

HS Code	2914700090
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 5,5,6,6,7,7,8,8,8-nonafluorooctane-2,4-dione?

The CAS number of 5,5,6,6,7,7,8,8,8-nonafluorooctane-2,4-dione is 355-84-0.

What are the molecular formula and molecular weight of 5,5,6,6,7,7,8,8,8-nonafluorooctane-2,4-dione?

5,5,6,6,7,7,8,8,8-nonafluorooctane-2,4-dione has molecular formula C8H5F9O2 and molecular weight 304.11000 g/mol.

What are the upstream and downstream products of 5,5,6,6,7,7,8,8,8-nonafluorooctane-2,4-dione?

For 5,5,6,6,7,7,8,8,8-nonafluorooctane-2,4-dione, Upstream Products: Ethyl perfluoropentanoate.

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. "5,5,6,6,7,7,8,8,8-nonafluorooctane-2,4-dione (CAS 355-84-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1143432-5 (accessed 2026-11-09).

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