(9,9-Dimethyl-9H-fluorene-2,7-diyl)diboronic acid

Also known as: (9,9-Dimethyl-9H-fluorene-2,7-diyl)bis(boronic acid), 9,9-Dimethyl-9H-fluorene-2,7-diboronic acid, Boronic acid, B,B'-(9,9-dimethyl-9H-fluorene-2,7-diyl)bis-, (7-borono-9,9-dimethylfluoren-2-yl)boronic acid

(9,9-Dimethyl-9H-fluorene-2,7-diyl)diboronic acid (CAS 866100-14-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H16B2O4 and a molecular weight of 281.907 g/mol. Key properties include a boiling point of 569.7±60.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 298.3±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 866100-14-3
Jingsj CID: J-1180052-5
Molecular Formula: C₁₅H₁₆B₂O₄
Molecular Weight: 281.907 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	569.7±60.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	298.3±32.9 °C
Exact Mass	282.123474
PSA	80.92000
LogP	3.94
Vapor Pressure	0.0±1.6 mmHg at 25°C
Refractive Index	1.636

Frequently Asked Questions

What is the CAS number of (9,9-Dimethyl-9H-fluorene-2,7-diyl)diboronic acid?

The CAS number of (9,9-Dimethyl-9H-fluorene-2,7-diyl)diboronic acid is 866100-14-3.

What are the molecular formula and molecular weight of (9,9-Dimethyl-9H-fluorene-2,7-diyl)diboronic acid?

(9,9-Dimethyl-9H-fluorene-2,7-diyl)diboronic acid has molecular formula C15H16B2O4 and molecular weight 281.907 g/mol.

What are the upstream and downstream products of (9,9-Dimethyl-9H-fluorene-2,7-diyl)diboronic acid?

For (9,9-Dimethyl-9H-fluorene-2,7-diyl)diboronic acid, Upstream Products: 2,7-Dibromo-9,9-dimethylfluorene, Triisopropyl borate.

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-Dimethyl-9H-fluorene-2,7-diyl)diboronic acid (CAS 866100-14-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1180052-5 (accessed 2026-11-09).

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