2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-di-n-octylfluorene

Also known as: 2,2'-(9,9-Dioctyl-9H-fluorene-2,7-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane), 9,9-Dioctyl-9H-fluorene-2,7-diboronic acid bis(pinacol) ester, 9,9-Dioctylfluorene-2,7-bis(boronic acid pinacol ester), 9,9-Dioctylfluorene-2,7-diboronic-acid bis(pinacol) ester, 1,3,2-Dioxaborolane, 2,2'-(9,9-dioctyl-9H-fluorene-2,7-diyl)bis[4,4,5,5-tetramethyl-, 2-[9,9-dioctyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)fluoren-2-yl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-di-n-octylfluorene (CAS 196207-58-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C41H64B2O4 and a molecular weight of 642.567 g/mol. Key properties include a melting point of 129ºC, a boiling point of 701.6±53.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 378.1±30.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 196207-58-6
Jingsj CID: J-13419-0
Molecular Formula: C₄₁H₆₄B₂O₄
Molecular Weight: 642.567 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	129ºC
Boiling Point	701.6±53.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	378.1±30.9 °C
Exact Mass	642.499084
PSA	36.92000
LogP	10.05270
Vapor Pressure	0.0±2.1 mmHg at 25°C
Refractive Index	1.526
Additional Property	Slightly soluble in water.

Frequently Asked Questions

What is the CAS number of 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-di-n-octylfluorene?

The CAS number of 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-di-n-octylfluorene is 196207-58-6.

What are the molecular formula and molecular weight of 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-di-n-octylfluorene?

2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-di-n-octylfluorene has molecular formula C41H64B2O4 and molecular weight 642.567 g/mol.

What are the upstream and downstream products of 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-di-n-octylfluorene?

For 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-di-n-octylfluorene, Upstream Products: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2,7-Dibromo-9,9-dioctyl-9H-fluorene, 2-Isopropyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane.

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-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-di-n-octylfluorene (CAS 196207-58-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13419-0 (accessed 2026-11-09).

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