The Trisiloxane,3-(chloromethyl)-1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]-, with the CAS registry number 41919-30-6, is also known as Chloromethyltris(trimethylsiloxy)silane. This chemical's molecular formula is C₁₀H₂₉ClO₃Si₄ and molecular weight is 345.1305. Its systematic name is called 3-(chloromethyl)-1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]trisiloxane. 

Physical properties of Trisiloxane,3-(chloromethyl)-1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]-: (1)ACD/LogP: 4.61; (2)#H bond acceptors: 3; (3)#Freely Rotating Bonds: 7; (4)Index of Refraction: 1.422; (5)Molar Refractivity: 93.331 cm³; (6)Molar Volume: 367.022 cm³; (7)Surface Tension: 18.784 dyne/cm; (8)Density: 0.94 g/cm³; (9)Flash Point: 93.332 °C; (10)Enthalpy of Vaporization: 47.784 kJ/mol; (11)Boiling Point: 260.254 °C at 760 mmHg; (12)Vapour Pressure: 0.02 mmHg at 25°C.

Uses of Trisiloxane,3-(chloromethyl)-1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]-: it can be used to produce 1,1,1,5,5,5-hexamethyl-3-trimethylsiloxy-3-(pyrrolidinomethyl)trisiloxane by heating. This reaction will need solvent toluene with reaction time of 30 hours. The yield is about 63%.

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: C[Si](C)(C)O[Si](O[Si](C)(C)C)(O[Si](C)(C)C)CCl
(2)InChI: InChI=1/C10H29ClO3Si4/c1-15(2,3)12-18(10-11,13-16(4,5)6)14-17(7,8)9/h10H2,1-9H3
(3)InChIKey: GMDPIHSENOONRD-UHFFFAOYAG