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Infobox references. 1,3,5,7-Tetramethyl-1,3,5,7-tetrasilaadamantane is the organosilicon compound with the formula (CH2)6(SiCH3)4. It is a colorless solid that is soluble in organic solvents. The compound is one of the iconic carbosilanes, featuring alternating −Si−C−Si−C− linkages. [2] Otherwise it can be described as a diamondoid ...
In the formation of silicon carbide, carbosilanes, such as 1,3,5,7-tetramethyl-1,3,5,7-tetrasilaadamantane, are observed as intermediates. Uses in NMR spectroscopy. Tetramethylsilane is the accepted internal standard for calibrating chemical shift for 1 H, 13 C and 29 Si NMR spectroscopy in organic solvents (where TMS is soluble).
2,2,5,5-tetramethyltetrahydrofuran (TMTHF) or 2,2,5,5-tetramethyloxolane (TMO) is a heterocyclic compound with the formula C. 8H. 16O, or (CH 3) 2 (C (CH 2) 2 OC) (CH 3) 2. It can be seen as derivative of tetrahydrofuran (oxolane) with four methyl groups replacing four hydrogen atoms on each of the carbon atoms in the ring that are adjacent to ...
Tetramethylbutane, sometimes called hexamethylethane, is a hydrocarbon with formula C 8 H 18 or (H 3 C-) 3 C-C (-CH 3) 3. It is the most heavily branched and most compact of the many octane isomers, the only one with a butane (C4) backbone. Because of its highly symmetrical structure, it has a very high melting point and a short liquid range ...
June 7, 2024 at 5:13 PM. GEARHART, Ore. (AP) — A massive rare fish thought to only live in temperate waters in the southern hemisphere has washed up on Oregon's northern coast, drawing crowds of ...
5-Decyne, also known as dibutylethyne, is a type of alkyne with a triple bond at its fifth carbon (the '5-' indicates the location of the triple bond in the chain). Its formula is C 10 H 18. Its density at 25 °C and otherwise standard conditions is 0.766 g/ml. [1] The boiling point is 177 °C. [2] The average molar mass is 138.25 g/mol.
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