5,5'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene

5,5'-双(4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷-2-基)-2,2'-联噻吩

Also known as: 2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol) ester, 2,2'-Bithiophene-5,5'-diboronic acid bis(pinacolyl) ester, 5,5'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene, 2,2'-[2,2'-Bithiophene]-5,5'-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane), 4,4,5,5-Tetramethyl-2-[5-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]thiophen-2-yl]-1,3,2-dioxaborolane, MFCD06798112

5,5'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene (CAS 239075-02-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H28B2O4S2 and a molecular weight of 418.18600 g/mol. It is also known as 2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol) ester, 2,2'-Bithiophene-5,5'-diboronic acid bis(pinacolyl) ester and 2,2'-[2,2'-Bithiophene]-5,5'-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane). Key properties include a melting point of 208-212ºC, a boiling point of 530.458ºC at 760 mmHg, a density of 1.17g/cm3 and a flash point of 274.612ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

239075-02-6

Jingsj CID

J-1993184-5

Molecular Formula

C₂₀H₂₈B₂O₄S₂

Chinese Name

5,5'-双(4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷-2-基)-2,2'-联噻吩

Molecular Weight

418.18600 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026