The Disiloxane,1,1,3,3-tetramethyl-1,3-dioctyl-, with the CAS registry number 18642-94-9, is also known as 1,3-Dioctyl-1,1,3,3-tetramethyldisiloxane. This chemical's molecular formula is C₂₀H₄₆OSi₂ and molecular weight is 358.7496. Its systematic name is called 1,1,3,3-tetramethyl-1,3-dioctyldisiloxane.

Physical properties of Disiloxane,1,1,3,3-tetramethyl-1,3-dioctyl-: (1)ACD/LogP: 11.64; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 11.64; (4)ACD/LogD (pH 7.4): 11.64; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 1000000; (7)ACD/KOC (pH 5.5): 10000000; (8)ACD/KOC (pH 7.4): 10000000; (9)#H bond acceptors: 1; (10)#Freely Rotating Bonds: 16; (11)Index of Refraction: 1.434; (12)Molar Refractivity: 113.88 cm³; (13)Molar Volume: 436.5 cm³; (14)Surface Tension: 23.9 dyne/cm; (15)Density: 0.821 g/cm³; (16)Flash Point: 145.6 °C; (17)Enthalpy of Vaporization: 56.66 kJ/mol; (18)Boiling Point: 345.8 °C at 760 mmHg; (19)Vapour Pressure: 0.00012 mmHg at 25°C.

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

You can still convert the following datas into molecular structure:
(1)SMILES: O([Si](C)(CCCCCCCC)C)[Si](CCCCCCCC)(C)C
(2)InChI: InChI=1/C20H46OSi2/c1-7-9-11-13-15-17-19-22(3,4)21-23(5,6)20-18-16-14-12-10-8-2/h7-20H2,1-6H3
(3)InChIKey: VZSZUXBTVQNMOY-UHFFFAOYAT