The Tetramethyldiphosphine Disulfide is an organic compound with the formula C₄H₁₂P₂S₂. The systematic name of this chemical is 1,1,2,2-tetramethyldiphosphane 1,2-disulfide. With the CAS registry number 3676-97-9, it is also named as Tetramethylbiphosphine disulfide. The product's categories are Sulfur Compounds (for Synthesis); Synthetic Organic Chemistry. Besides, it should be stored in a dark closed and well-ventilated place.

Physical properties about Tetramethyldiphosphine Disulfide are: (1)ACD/LogP: -2.15; (2)ACD/LogD (pH 5.5): -2.15; (3)ACD/LogD (pH 7.4): -2.15; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1.62; (7)ACD/KOC (pH 7.4): 1.62; (8)#Freely Rotating Bonds: 1; (9)Polar Surface Area: 83.8 Å²; (10)Index of Refraction: 1.528; (11)Molar Refractivity: 48.84 cm³; (12)Molar Volume: 158.5 cm³; (13)Polarizability: 19.36×10^-24cm³; (14)Surface Tension: 48.4 dyne/cm; (15)Density: 1.174 g/cm³; (16)Flash Point: 92.6 °C; (17)Enthalpy of Vaporization: 44.71 kJ/mol; (18)Boiling Point: 229.4 °C at 760 mmHg; (19)Vapour Pressure: 0.105 mmHg at 25°C.

Uses of Tetramethyldiphosphine Disulfide: it can be used to produce dimethylphosphinic acid chloride. It will need reagent thionyl chloride. The yield is about 93%.

When you are using this chemical, please be cautious about it as the following:
It is harmful by inhalation, in contact with skin and if swallowed. When you are using it, wear suitable gloves and eye/face protection and do not breathe dust.

You can still convert the following datas into molecular structure:
(1)SMILES: S=P(C)(C)P(=S)(C)C
(2)InChI: InChI=1/C4H12P2S2/c1-5(2,7)6(3,4)8/h1-4H3
(3)InChIKey: LGZQQMXQPAHRIH-UHFFFAOYAU
(4)Std. InChI: InChI=1S/C4H12P2S2/c1-5(2,7)6(3,4)8/h1-4H3
(5)Std. InChIKey: LGZQQMXQPAHRIH-UHFFFAOYSA-N