2-(9,9-Dimethyl-9H-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

9,9-二甲基芴-2-硼酸频哪醇酯

Also known as: 9,9-Dimethylfluorene-2-boronic acid pinacol ester, 1,3,2-Dioxaborolane, 2-(9,9-dimethyl-9H-fluoren-2-yl)-4,4,5,5-tetramethyl, FL-BE, FL-B, 2-(9,9-Dimethyl-9H-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 9,9-Dimethylfluorene-2-boronic acid pinacol ester, 95%, 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-dimethylfluorene

2-(9,9-Dimethyl-9H-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 569343-09-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H25BO2 and a molecular weight of 320.23300 g/mol. It is also known as 9,9-Dimethylfluorene-2-boronic acid pinacol ester, 1,3,2-Dioxaborolane, 2-(9,9-dimethyl-9H-fluoren-2-yl)-4,4,5,5-tetramethyl and FL-BE. Key properties include a melting point of 133 ºC (heptane ), a boiling point of 443.057ºC at 760 mmHg, a density of 1.09g/cm3 and a flash point of 221.753ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

569343-09-5

Jingsj CID

J-1965248-5

Molecular Formula

C₂₁H₂₅BO₂

Chinese Name

9,9-二甲基芴-2-硼酸频哪醇酯

Molecular Weight

320.23300 g/mol

Category

Organic Acids

Last updated

8/21/2026