Tetramethyldiphosphine disulfide
Also known as: Tetramethylbiphosphine disulfide, Diphosphine, tetramethyl-, 1,2-disulfide, 1,1,2,2-tetramethyldiphosphane 1,2-disulfide, dimethylphosphinothioyl-dimethyl-sulfanylidene-λ5-phosphane, TETRAMETHYLDIPHOSPHINE DISULFIDE, Tetramethyldiphosphoryl disulfide, Teramethyldiphosphine disulphide, tetramethyl biphosphine disulfide, tetramethyldiphosphine disulphide
Tetramethyldiphosphine disulfide (CAS 3676-97-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H12P2S2 and a molecular weight of 186.21600 g/mol. Key properties include a melting point of 224-228ºC, a boiling point of 229.4ºC at 760 mmHg, a density of 1.174 g/cm3 and a flash point of 92.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3676-97-9
- Jingsj CID
- J-44124-7
- Molecular Formula
- C4H12P2S2
- Molecular Weight
- 186.21600 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 224-228ºC |
|---|---|
| Boiling Point | 229.4ºC at 760 mmHg |
| Density | 1.174 g/cm3 |
| Flash Point | 92.6ºC |
| Exact Mass | 185.98600 |
| PSA | 83.80000 |
| LogP | 3.68080 |
| Refractive Index | 1.528 |
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 Tetramethyldiphosphine disulfide?
The CAS number of Tetramethyldiphosphine disulfide is 3676-97-9.
What are the molecular formula and molecular weight of Tetramethyldiphosphine disulfide?
Tetramethyldiphosphine disulfide has molecular formula C4H12P2S2 and molecular weight 186.21600 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetramethyldiphosphine disulfide (CAS 3676-97-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44124-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.