The 3-Penten-2-one,4-[(trimethylsilyl)oxy]-, with the CAS registry number 13257-81-3, is also known as 4-(Trimethylsiloxy)-3-penten-2-one. It belongs to the product categories of Monoalkoxysilanes; Protection & Derivatization Reagents (for Synthesis); Si (Classes of Silicon Compounds); Silicon Compounds (for Synthesis); Si-O Compounds; Synthetic Organic Chemistry. Its EINECS number is 236-252-5. This chemical's molecular formula is C₈H₁₆O₂Si and molecular weight is 172.30. What's more, its systematic name is 4-[(trimethylsilyl)oxy]pent-3-en-2-one.

Physical properties of 3-Penten-2-one,4-[(trimethylsilyl)oxy]- are: (1)ACD/LogP: 2.24; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.24; (4)ACD/LogD (pH 7.4): 2.24; (5)ACD/BCF (pH 5.5): 29.85; (6)ACD/BCF (pH 7.4): 29.85; (7)ACD/KOC (pH 5.5): 395.7; (8)ACD/KOC (pH 7.4): 395.7; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 26.3 Å²; (13)Index of Refraction: 1.425; (14)Molar Refractivity: 49.5 cm³; (15)Molar Volume: 193.2 cm³; (16)Polarizability: 19.62×10^-24cm³; (17)Surface Tension: 21.8 dyne/cm; (18)Density: 0.891 g/cm³; (19)Flash Point: 65.6 °C; (20)Enthalpy of Vaporization: 44.13 kJ/mol; (21)Boiling Point: 205.1 °C at 760 mmHg; (22)Vapour Pressure: 0.255 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
It is flammable, so you should keep it away from sources of ignition - No smoking. It 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. When using it, you need wear suitable protective clothing.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(C=C(O[Si](C)(C)C)C)C
(2)InChI: InChI=1S/C8H16O2Si/c1-7(9)6-8(2)10-11(3,4)5/h6H,1-5H3
(3)InChIKey: FBADCSUQBLLAHW-UHFFFAOYSA-N