The CAS register number of 3-Penten-2-one,4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]- is 69404-97-3. It also can be called as 3-Penten-2-one, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (3Z)- and the systematic name about this chemical is (3Z)-4-{[tert-butyl(dimethyl)silyl]oxy}pent-3-en-2-one. The molecular formula about this chemical is C₁₁H₂₂O₂Si and the molecular weight is 214.38.

Physical properties about 3-Penten-2-one,4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]- are: (1)ACD/LogP: 3.47; (2)#H bond acceptors: 2; (3)#Freely Rotating Bonds: 4; (4)Polar Surface Area: 26.3Ų; (5)Index of Refraction: 1.435; (6)Molar Refractivity: 63.36 cm³; (7)Molar Volume: 242.7 cm³; (8)Polarizability: 25.12x10^-24cm³; (9)Surface Tension: 23 dyne/cm; (10)Flash Point: 80.6 °C; (11)Enthalpy of Vaporization: 52.34 kJ/mol; (12)Boiling Point: 284.4 °C at 760 mmHg; (13)Vapour Pressure: 0.00299 mmHg at 25°C.

Preparation: this chemical can be prepared by tert-butyl-chloro-dimethyl-silane and pentane-2,4-dione at heating. This reaction will need reagent imidazole and solvent tetrahydrofuran. The reaction time is 12 hour(s). The yield is about 87%.

Uses of 3-Penten-2-one,4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-: it can be used to produce 1,3-di-t-butyl-1,1,3,3-tetramethyldisiloxane with tert-butyl-dimethyl-silanol at ambient temperature. This reaction will need catalyst p-toluenesulfonic acid monohydrate and solvent dimethylformamide with reaction time of 10 hours. The yield is about 85%.

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

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(\C=C(/O[Si](C(C)(C)C)(C)C)C)C
(2)InChI: InChI=1/C11H22O2Si/c1-9(12)8-10(2)13-14(6,7)11(3,4)5/h8H,1-7H3/b10-8-
(3)InChIKey: ZRVOCNOYAJIAAP-NTMALXAHBZ
(4)Std. InChI: InChI=1S/C11H22O2Si/c1-9(12)8-10(2)13-14(6,7)11(3,4)5/h8H,1-7H3/b10-8-
(5)Std. InChIKey: ZRVOCNOYAJIAAP-NTMALXAHSA-N