1,3,4,6-Tetrathiapentalene-2,5-dione

1,3,4,6-四硫并环戊二烯-2,5-二酮

Also known as: [1,3]Dithiolo[4,5-d][1,3]dithiole-2,5-dione, 2,4,6,8-Tetrathiabicyclo[3.3.0]oct-1(5)-ene-3,7-dione, 2,5-Dihydro-1,3,4,6-tetrathiapentalene-2,5-dione, THIAPENDIONE, [1,3]Dithiolo[4,5-d]-1,3-dithiole-2,5-dione, [1,3]Dithiolo[4,5-d]-1,3-dithioledione

1,3,4,6-Tetrathiapentalene-2,5-dione (CAS 64394-45-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4O2S4 and a molecular weight of 208.30200 g/mol. It is also known as [1,3]Dithiolo[4,5-d][1,3]dithiole-2,5-dione, 2,4,6,8-Tetrathiabicyclo[3.3.0]oct-1(5)-ene-3,7-dione and 2,5-Dihydro-1,3,4,6-tetrathiapentalene-2,5-dione. Key properties include a melting point of 182ºC (dec.)(lit.), a boiling point of 393ºC at 760 mmHg, a density of 2.05 g/cm3 and a flash point of 194.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

64394-45-2

Jingsj CID

J-1484546-2

Molecular Formula

C₄O₂S₄

Chinese Name

1,3,4,6-四硫并环戊二烯-2,5-二酮

Molecular Weight

208.30200 g/mol

Category

Ketones

Last updated

8/21/2026