The Silane,dichloromethyloctadecyl-, with the CAS registry number 5157-75-5 and EINECS registry number 225-931-1, has the systematic name of dichloro(methyl)octadecylsilane. It belongs to the following product categories: Dichlorosilanes; Dichlorosilanes (for Polysilanes); Functional Materials; Reagent for High-Performance Polymer Research; Si (Classes of Silicon Compounds); Si-Cl Compounds. And the molecular formula of the chemical is C₁₉H₄₀Cl₂Si.

The characteristics of Silane,dichloromethyloctadecyl- are as followings: (1)ACD/LogP: 12.22; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 12.22; (4)ACD/LogD (pH 7.4): 12.22; (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: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 17; (12)Polar Surface Area: 0 Ų; (13)Index of Refraction: 1.453; (14)Molar Refractivity: 108.48 cm³; (15)Molar Volume: 400.6 cm³; (16)Polarizability: 43×10^-24cm³; (17)Surface Tension: 28.2 dyne/cm; (18)Density: 0.917 g/cm³; (19)Flash Point: 176.7 °C; (20)nthalpy of Vaporization: 60.57 kJ/mol; (21)Boiling Point: 382 °C at 760 mmHg; (22)Vapour Pressure: 1.07E-05 mmHg at 25°C. 

You should be cautious while dealing with this chemical. It may causes burns. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer); In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Cl[Si](Cl)(CCCCCCCCCCCCCCCCCC)C
(2)InChI: InChI=1/C19H40Cl2Si/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-22(2,20)21/h3-19H2,1-2H3
(3)InChIKey: GYWBHBXGYTYXRG-UHFFFAOYAS