Trimethylsilylketene

The Trimethylsilylketene, with cas registry number 4071-85-6, belongs to the following product categories: (1)Carbonyl Compounds; (2)Organic Building Blocks; (3)Others. Its systematic name and its IUPAC name are the same, which is 2-(trimethylsilyl)ethenone. What's more, its refractive index is 1.413. This chemical is highly flammable.

Physical properties about this chemical are: (1)ACD/LogP: 1.31; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.31; (4)ACD/LogD (pH 7.4): 1.31; (5)ACD/BCF (pH 5.5): 5.84; (6)ACD/BCF (pH 7.4): 5.84; (7)ACD/KOC (pH 5.5): 123.14; (8)ACD/KOC (pH 7.4): 123.14; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 17.07 Å²; (13)Index of Refraction: 1.393; (14)Molar Refractivity: 34.1 cm³; (15)Molar Volume: 142.7 cm³; (16)Polarizability: 13.51×10^-24cm³; (17)Surface Tension: 10.5 dyne/cm; (18)Enthalpy of Vaporization: 32.23 kJ/mol; (19)Vapour Pressure: 81.2 mmHg at 25°C.

Preparation: this chemical can be prepared by trimethylsilanyl-acetic acid. This reaction will need reagent dicyclohexylcarbodiimide, Et₃N and solvent diethyl ether. The reaction time is 2 hour. The yield is about 63%.

Uses of Trimethylsilylketene: it can be used to produce 2-trimethylsilanyl-cyclopropanone. This reaction will need solvent diethyl ether. The temperature of this reaction is -78 ℃. The yield is about 73%.

You can still convert the following datas into molecular structure: 
(1)SMILES: O=C=C/[Si](C)(C)C
(2)InChI: InChI=1/C5H10OSi/c1-7(2,3)5-4-6/h5H,1-3H3
(3)InChIKey: GYUIBRZEAWWIHU-UHFFFAOYAR
(4)Std. InChI: InChI=1S/C5H10OSi/c1-7(2,3)5-4-6/h5H,1-3H3
(5)Std. InChIKey: GYUIBRZEAWWIHU-UHFFFAOYSA-N