bis(methylenedithio)tetrathiafulvalene
Also known as: BMDT-TTF, 2-[[1,3]Dithiolo[4,5-d]-1,3-dithiol-2-ylidene][1,3]dithiolo[4,5-d]-1,3-dithiole, Δ2,2'-Bi([1,3]dithiolo[4,5-d]-1,3-dithiol), 2,2'-bi[1,3]dithiolo[4,5-d][1,3]dithiolylidene, bis(methylenedithio)tetrathiafulvalene [organic electronic material], b1218
bis(methylenedithio)tetrathiafulvalene (CAS 68550-20-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H4S8 and a molecular weight of 356.63700 g/mol. Key properties include a boiling point of 536.658ºC at 760 mmHg, a density of 2.01g/cm3 and a flash point of 305.824ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 68550-20-9
- Jingsj CID
- J-1990044-8
- Molecular Formula
- C8H4S8
- Molecular Weight
- 356.63700 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 536.658ºC at 760 mmHg |
|---|---|
| Density | 2.01g/cm3 |
| Flash Point | 305.824ºC |
| Exact Mass | 355.80800 |
| PSA | 202.40000 |
| LogP | 6.20120 |
| Refractive Index | 2.082 |
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of bis(methylenedithio)tetrathiafulvalene?
The CAS number of bis(methylenedithio)tetrathiafulvalene is 68550-20-9.
What are the molecular formula and molecular weight of bis(methylenedithio)tetrathiafulvalene?
bis(methylenedithio)tetrathiafulvalene has molecular formula C8H4S8 and molecular weight 356.63700 g/mol.
What are the upstream and downstream products of bis(methylenedithio)tetrathiafulvalene?
For bis(methylenedithio)tetrathiafulvalene, Upstream Products: 4,5-Methylenedithio-1,3-dithiol-2-one, 4,5-Methylenedithio-1,3-dithiole-2-thione, Dimethyl 2-thioxo-1,3-dithiole-4,5-dicarboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "bis(methylenedithio)tetrathiafulvalene (CAS 68550-20-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990044-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.