9-(9H-Fluoren-9-yliden)-9H-fluoren

Also known as: 1,2-Bis(biphenylene)ethylene, 9,9'-BIFLUORENYLIDENE, 9,9'-Difluorenylidene, 9,9'-FLUORENYLIDENEFLUORENE, 9,9'-bifluorenylidene, 9,9-Bifluorenylidene, 9-(9H-Fluoren-9-ylidene)-9H-fluorene, 9H-Fluorene, 9- (9H-fluoren-9-ylidene)-, 9H-Fluorene, 9-(9H-fluoren-9-ylidene)-, Bifluorenylidene, Bis[fluorenylidene], Deltadimethyl9dimethyl,dimethyl9'-bifluorene, MFCD00058940, delta9,9'-Bifluorene

9-(9H-Fluoren-9-yliden)-9H-fluoren (CAS 746-47-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C26H16 and a molecular weight of 328.405 g/mol. Key properties include a melting point of 187ºC, a boiling point of 499.9±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 252.4±21.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 746-47-4
Jingsj CID: J-34432-1
Molecular Formula: C₂₆H₁₆
Molecular Weight: 328.405 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	187ºC
Boiling Point	499.9±40.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	252.4±21.4 °C
Exact Mass	328.125214
LogP	8.96
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.745

Customs & Trade Information

HS Code	2907299090
Summary	2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of 9-(9H-Fluoren-9-yliden)-9H-fluoren?

The CAS number of 9-(9H-Fluoren-9-yliden)-9H-fluoren is 746-47-4.

What are the molecular formula and molecular weight of 9-(9H-Fluoren-9-yliden)-9H-fluoren?

9-(9H-Fluoren-9-yliden)-9H-fluoren has molecular formula C26H16 and molecular weight 328.405 g/mol.

What are the upstream and downstream products of 9-(9H-Fluoren-9-yliden)-9H-fluoren?

For 9-(9H-Fluoren-9-yliden)-9H-fluoren, Upstream Products: 9-Fluorenone, 9,9-Dichloro-9H-fluorene, 9H FLUORENE; Downstream Products: [1,1'-Biphenyl]-2-carboxylic acid, 9H FLUORENE, 9,9'-Bifluorene.

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. "9-(9H-Fluoren-9-yliden)-9H-fluoren (CAS 746-47-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34432-1 (accessed 2026-11-09).

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