The 1,5-Divinylhexamethyltrisiloxane, with CAS registry number 136777-27-0, has the systematic name of 1,5-diethenyl-1,1,3,3,5,5-hexamethyltrisiloxane. Its molecular weight is 260.56. And the chemical formula of this chemical is C₁₀H₂₄O₂Si₃.

Physical properties of 1,5-Divinylhexamethyltrisiloxane: (1)ACD/LogP: 5.94; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.94; (4)ACD/LogD (pH 7.4): 5.94; (5)ACD/BCF (pH 5.5): 19114.57; (6)ACD/BCF (pH 7.4): 19114.57; (7)ACD/KOC (pH 5.5): 40381.91; (8)ACD/KOC (pH 7.4): 40381.91; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 18.46 Å²; (13)Index of Refraction: 1.423; (14)Molar Refractivity: 77.47 cm³; (15)Molar Volume: 303.7 cm³; (16)Polarizability: 30.71×10^-24cm³; (17)Surface Tension: 17.9 dyne/cm; (18)Density: 0.857 g/cm³; (19)Flash Point: 71.8 °C; (20)Enthalpy of Vaporization: 42.94 kJ/mol; (21)Boiling Point: 211.4 °C at 760 mmHg; (22)Vapour Pressure: 0.266 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
The 1,5-Divinylhexamethyltrisiloxane irritates to eyes, respiratory system and skin. When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice. Secondly, this chemical is flammable, so keep it away from sources of ignition.

You can still convert the following datas into molecular structure:
(1)SMILES: O([Si](\C=C)(C)C)[Si](O[Si](\C=C)(C)C)(C)C
(2)InChI: InChI=1/C10H24O2Si3/c1-9-13(3,4)11-15(7,8)12-14(5,6)10-2/h9-10H,1-2H2,3-8H3
(3)InChIKey: MFWYAJVOUCTAQI-UHFFFAOYAZ
(4)Std. InChI: InChI=1S/C10H24O2Si3/c1-9-13(3,4)11-15(7,8)12-14(5,6)10-2/h9-10H,1-2H2,3-8H3
(5)Std. InChIKey: MFWYAJVOUCTAQI-UHFFFAOYSA-N