Tetramethyldiphosphine disulfide

四甲基二膦烷二硫化物

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. It is also known as Tetramethylbiphosphine disulfide, Diphosphine, tetramethyl-, 1,2-disulfide and 1,1,2,2-tetramethyldiphosphane 1,2-disulfide. 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-44124-5
Molecular Formula
C4H12P2S2
Chinese Name
四甲基二膦烷二硫化物
Molecular Weight
186.21600 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point224-228ºC
Boiling Point229.4ºC at 760 mmHg
Density1.174 g/cm3
Flash Point92.6ºC

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 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-44124-5 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.