9,9-Dioctylfluorene-2,7-diboronic acid

9,9-二辛基芴-2,7-二硼酸

Also known as: (7-borono-9,9-dioctyl-2-fluorenyl)boronic acid, (7-borono-9,9-dioctylfluoren-2-yl)boronic acid, (9,9-Dioctyl-9H-fluorene-2,7-diyl)diboronic acid, 2,7-diboronic acid-9,9-dioctylfluorene, 9,9-Di-n-octylfluorene-2,7-diboronic acid, 9,9-dioctyl-9H-fluorene-2,7-diyldiboronic acid, Boronic acid, B,B'-(9,9-dioctyl-9H-fluorene-2,7-diyl)bis-, MFCD03701608

9,9-Dioctylfluorene-2,7-diboronic acid (CAS 258865-48-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C29H44B2O4 and a molecular weight of 478.279 g/mol. It is also known as (7-borono-9,9-dioctyl-2-fluorenyl)boronic acid, (7-borono-9,9-dioctylfluoren-2-yl)boronic acid and (9,9-Dioctyl-9H-fluorene-2,7-diyl)diboronic acid. Key properties include a melting point of 158-162ºC(lit.), a boiling point of 670.8±65.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 359.5±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
258865-48-4
Jingsj CID
J-1990876-0
Molecular Formula
C29H44B2O4
Chinese Name
9,9-二辛基芴-2,7-二硼酸
Molecular Weight
478.279 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point158-162ºC(lit.)
Boiling Point670.8±65.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point359.5±34.3 °C

Frequently Asked Questions

What is the CAS number of 9,9-Dioctylfluorene-2,7-diboronic acid?

The CAS number of 9,9-Dioctylfluorene-2,7-diboronic acid is 258865-48-4.

What are the molecular formula and molecular weight of 9,9-Dioctylfluorene-2,7-diboronic acid?

9,9-Dioctylfluorene-2,7-diboronic acid has molecular formula C29H44B2O4 and molecular weight 478.279 g/mol.

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

Last updated:

How to cite: Jingsj. "9,9-Dioctylfluorene-2,7-diboronic acid (CAS 258865-48-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990876-0 (accessed 2026-10-22).

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