The 1,2-Bis(dichloromethylsilyl)ethane, with the CAS registry number 3353-69-3, is also known as 2,2,5,5-Tetrachloro-2,5-disilahexane. Its EINECS number is 222-123-0. This chemical's molecular formula is C₄H₁₀Cl₄Si₂ and molecular weight is 256.10. What's more, its systematic name is 1,2-Ethanediylbis[dichloro(methyl)silane]. This chemical is stable at common pressure and temperature, and it should be sealed and stored in a ventilated and dry place. Moreover, it should be protected from light.

Physical properties of 1,2-Bis(dichloromethylsilyl)ethane are: (1)ACD/LogP: 2.762; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.76; (4)ACD/LogD (pH 7.4): 2.76; (5)ACD/BCF (pH 5.5): 74.01; (6)ACD/BCF (pH 7.4): 74.01; (7)ACD/KOC (pH 5.5): 757.94; (8)ACD/KOC (pH 7.4): 757.94; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 3; (12)Index of Refraction: 1.455; (13)Molar Refractivity: 57.412 cm³; (14)Molar Volume: 211.574 cm³; (15)Polarizability: 22.76×10^-24cm³; (16)Surface Tension: 23.0 dyne/cm; (17)Density: 1.21 g/cm³; (18)Flash Point: 79.91 °C; (19)Enthalpy of Vaporization: 42.801 kJ/mol; (20)Boiling Point: 209.932 °C at 760 mmHg; (21)Vapour Pressure: 0.3 mmHg at 25°C.

Preparation: this chemical can be prepared by dichloro-methyl-silane and dichloro-methyl-vinyl-silaneat the temperature of 80 °C. This reaction will need reagent H₂ and solvent propan-2-ol. The yield is about 85%.

Uses of 1,2-Bis(dichloromethylsilyl)ethane: it can be used to produce 4,7-diethoxy-4,7-dimethyl-3,8-dioxa-4,7-disiladecane at the temperature of 50 °C. It will need solvent CH₂Cl₂ with the reaction time of 30 min. The yield is about 67%.

When you are using this chemical, please be cautious about it as the following:
This chemical can cause burns. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing, gloves and eye/face protection. After contact with skin, you should wash immediately with plenty of ... (to be specified by the manufacturer). In case of accident or if you feel unwell, you must seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: Cl[Si](Cl)(CC[Si](Cl)(Cl)C)C
(2)Std. InChI: InChI=1S/C4H10Cl4Si2/c1-9(5,6)3-4-10(2,7)8/h3-4H2,1-2H3
(3)Std. InChIKey: VFURVLVRHAMJKG-UHFFFAOYSA-N