2,7-Diacetyl-9H-fluoren-9-one

Also known as: 2,7-Diacetylfluorenone, 2,7-Diacetylfluoren-9-one, 9H-Fluoren-9-one,2,7-diacetyl-, 1,1'-(9H-Fluorene-2,7-diyl)diethanone

2,7-Diacetyl-9H-fluoren-9-one (CAS 39665-89-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C17H14O2 and a molecular weight of 250.29200 g/mol. Key properties include a melting point of 178-179ºC, a boiling point of 459.6ºC at 760 mmHg, a density of 1.183 g/cm3 and a flash point of 171ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 39665-89-9
Jingsj CID: J-10812-3
Molecular Formula: C₁₇H₁₄O₂
Molecular Weight: 250.29200 g/mol
Category: Ketones
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	178-179ºC
Boiling Point	459.6ºC at 760 mmHg
Density	1.183 g/cm3
Flash Point	171ºC
Exact Mass	250.09900
PSA	34.14000
LogP	3.66300

Customs & Trade Information

HS Code	2914399090
Summary	2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,7-Diacetyl-9H-fluoren-9-one?

The CAS number of 2,7-Diacetyl-9H-fluoren-9-one is 39665-89-9.

What are the molecular formula and molecular weight of 2,7-Diacetyl-9H-fluoren-9-one?

2,7-Diacetyl-9H-fluoren-9-one has molecular formula C17H14O2 and molecular weight 250.29200 g/mol.

What are the upstream and downstream products of 2,7-Diacetyl-9H-fluoren-9-one?

For 2,7-Diacetyl-9H-fluoren-9-one, Upstream Products: 2,7-Diacetylfluorene, 9H FLUORENE, 2-Acetylfluorene.

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. "2,7-Diacetyl-9H-fluoren-9-one (CAS 39665-89-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10812-3 (accessed 2026-11-09).

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