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Molar mass: 117.17 g/mol Appearance Colorless gas, fumes in air Density: 1.326 g/cm 3: ... Boron trichloride is the inorganic compound with the formula BCl 3.
The molar mass of atoms of an element is given by the relative atomic mass of the element multiplied by the molar mass constant, M u ≈ 1.000 000 × 10 −3 kg/mol ≈ 1 g/mol. For normal samples from Earth with typical isotope composition, the atomic weight can be approximated by the standard atomic weight [ 2 ] or the conventional atomic weight.
CH 2 =CH 2 + B 2 Cl 4 → Cl 2 B–CH 2 –CH 2 –BCl 2. Diboron tetrachloride absorbs hydrogen quickly at room temperature: [3] 3 B 2 Cl 4 + 3 H 2 → B 2 H 6 + 4 BCl 3. With boranes, it replaces a hydrogen to form dichloroborane(3) and a polyhedral dichloroborane. Heat induces disproportionation back to boron trichloride and a polyhedral ...
However the major product is dimethylborylmethylperoxide, which rapidly decomposes to dimethoxymethylborane. [12] Trimethylborane is a strong Lewis acid. B(CH 3) 3 can form an adduct with ammonia: (NH 3):B(CH 3) 3. [13] as well as other Lewis bases. The Lewis acid properties of B(CH 3) 3 have been analyzed by the ECW model yielding E A = 2.90 ...
Ca(CH 3) 2 + 2 B 2 H 6 → Ca(BH 4) 2 + B 2 H 4 (CH 3) 2. 1,2-dimethyldiborane slowly converts on standing to 1,1-dimethyldiborane. [10] Gas chromatography can be used to determine the amounts of the methyl boranes in a mixture. The order they elute are diborane, monomethyldiborane, trimethylborane, 1,1-dimethyldiborane, 1,2-dimethyldiborane ...
The reaction of boron trichloride with alcohols was reported in 1931, and was used to prepare dimethoxyboron chloride, B(OCH 3) 2 Cl. [3] Egon Wiberg and Wilhelm Ruschmann used it to prepare tetrahydroxydiboron by first introducing the boron–boron bond by reduction with sodium and then hydrolysing the resulting tetramethoxydiboron, B 2 (OCH 3) 4, to produce what they termed sub-boric acid. [4]
Via hydrosilylation, trichlorosilane is a precursor to other useful organosilicon compounds: . RCH=CH 2 + HSiCl 3 → RCH 2 CH 2 SiCl 3. Some useful products of this or similar reactions include octadecyltrichlorosilane (OTS), perfluoroctyltrichlorosilane (PFOTCS), and perfluorodecyltrichlorosilane (FDTS).
One experiment [which?] tried to use xenon, chlorine and boron trichloride to produce XeCl 2 ·BCl 3, but only generated xenon dichloride. [ 1 ] However, it is still doubtful whether xenon dichloride is a true compound or a Van der Waals molecule composed of a xenon atom and a chlorine molecule connected by a secondary bond .