The 2, 4, 6, 8-Tetramethyl-2, 4, 6, 8-tetravinylcyclotetrasilazane, with the CAS registry number 5162-63-0, is also known as Cyclotetrasilazane, 2, 4, 6, 8-tetraethenyl-2, 4, 6, 8-tetramethyl-. Its EINECS registry number is 225-940-0. This chemical's molecular formula is C₁₂H₂₈N₄Si₄ and molecular weight is 340.72. What's more, its IUPAC name is 2, 4, 6, 8-Tetrakis(ethenyl)-2, 4, 6, 8-tetramethyl-1, 3, 5, 7, 2, 4, 6, 8-tetrazatetrasilocane.

Physical properties about 2, 4, 6, 8-Tetramethyl-2, 4, 6, 8-tetravinylcyclotetrasilazane are: (1)#H bond acceptors: 4; (2)#H bond donors: 4; (3)#Freely Rotating Bonds: 4; (4)Polar Surface Area: 12.96 Å²; (5)Index of Refraction: 1.487; (6)Molar Refractivity: 104.26 cm³; (7)Molar Volume: 362.2 cm³; (8)Polarizability: 41.33×10^-24 cm³; (9)Surface Tension: 22.7 dyne/cm; (10)Density: 0.94 g/cm³; (11)Flash Point: 132 °C; (12)Enthalpy of Vaporization: 53.43 kJ/mol; (13)Boiling Point: 294.6 °C at 760 mmHg; (14)Vapour Pressure: 0.00161 mmHg at 25 °C.

When you are using this chemical, please be cautious about it as the following:
As a chemical, it is irritating to eyes, respiratory system and skin. During using it, wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1) SMILES: N1[Si](N[Si](N[Si](N[Si]1(\C=C)C)(\C=C)C)(\C=C)C)(\C=C)C
(2) InChI: InChI=1/C12H28N4Si4/c1-9-17(5)13-18(6,10-2)15-20(8,12-4)16-19(7,11-3)14-17/h9-16H,1-4H2,5-8H3
(3) InChIKey: TWALPEXSVOIFMC-UHFFFAOYAZ