9,9-Bis(4-hydroxy-3-methylphenyl)fluorene

Also known as: 4,4'-(9H-Fluorene-9,9-diyl)bis(2-methylphenol), 4,4'-(9-Fluorenylidene)di(o-cresol), Biscresolfluorene, 4,4'-(9-Fluorenylidene)-di-o-cresol, 9,9-Bis(3-methyl-4-hydroxyphenyl)fluorene, 4-[9-(4-hydroxy-3-methylphenyl)-9-fluorenyl]-2-methylphenol, 4-[9-(4-hydroxy-3-methylphenyl)fluoren-9-yl]-2-methylphenol, MFCD04038046, Phenol, 4,4'-(9H-fluoren-9-ylidene)bis[2-methyl-

9,9-Bis(4-hydroxy-3-methylphenyl)fluorene (CAS 88938-12-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C27H22O2 and a molecular weight of 378.462 g/mol. Key properties include a melting point of 218-219°C, a boiling point of 533.4±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 237.9±24.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 88938-12-9
Jingsj CID: J-644-4
Molecular Formula: C₂₇H₂₂O₂
Molecular Weight: 378.462 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	218-219°C
Boiling Point	533.4±50.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	237.9±24.7 °C
Exact Mass	378.161987
PSA	40.46000
LogP	5.71
Vapor Pressure	0.0±1.5 mmHg at 25°C
Refractive Index	1.687

Frequently Asked Questions

What is the CAS number of 9,9-Bis(4-hydroxy-3-methylphenyl)fluorene?

The CAS number of 9,9-Bis(4-hydroxy-3-methylphenyl)fluorene is 88938-12-9.

What are the molecular formula and molecular weight of 9,9-Bis(4-hydroxy-3-methylphenyl)fluorene?

9,9-Bis(4-hydroxy-3-methylphenyl)fluorene has molecular formula C27H22O2 and molecular weight 378.462 g/mol.

What are the upstream and downstream products of 9,9-Bis(4-hydroxy-3-methylphenyl)fluorene?

For 9,9-Bis(4-hydroxy-3-methylphenyl)fluorene, Upstream Products: 9-Fluorenone, o-Cresol, 3-Mercaptopropionic acid.

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. "9,9-Bis(4-hydroxy-3-methylphenyl)fluorene (CAS 88938-12-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-644-4 (accessed 2026-11-07).

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