Benzo[b]benzo[4,5]thieno[2,3-d]thiophene

苯并[B]苯并[4,5]噻吩并[2,3-D]噻吩

Also known as: [1]Benzothieno[3,2-b][1]benzothiophene, [1]benzothiolo[3,2-b][1]benzothiole, benzthieno[3,2-b]benzothiophene, 5,10-dithia-indeno[2,1-a]indene, [1]benzothiopheno[3,2-b][1]benzothiophene, BTBT

Benzo[b]benzo[4,5]thieno[2,3-d]thiophene (CAS 248-70-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H8S2 and a molecular weight of 240.343 g/mol. It is also known as [1]Benzothieno[3,2-b][1]benzothiophene, [1]benzothiolo[3,2-b][1]benzothiole and benzthieno[3,2-b]benzothiophene. Key properties include a melting point of 218.0-222.0°C, a boiling point of 432.3±18.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 162.1±7.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

248-70-4

Jingsj CID

J-1495617-3

Molecular Formula

C₁₄H₈S₂

Chinese Name

苯并[B]苯并[4,5]噻吩并[2,3-D]噻吩

Molecular Weight

240.343 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026