A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, Formula: C12H28BrN, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 1941-30-6, Name is Tetrapropylammonium bromide, molecular formula is C12H28BrN. In a Article, authors is Al-Yassir，once mentioned of 1941-30-6
The role of ordered hierarchical pore arrangements of H- galloaluminosilicate in the aromatization of propane was investigated. Stable ordered mesoporous H-galloaluminosilicate was formed via surfactant-mediated base hydrolysis of steamed H-galloaluminosilicate. It was observed that the resulting H-galloaluminosilicate with mesoporous/microporous hierarchical structure exhibited superior aromatization performance and stability, as compared with steamed H-galloaluminosilicate. The results showed that there were strong correlations between mesoporosity, distribution and dispersion of Ga species, Bronsted-Lewis acidity, and propane aromatization. The optimal ordered mesoporous (hierarchical) H-galloaluminosilicate zeolite (treated in 0.40 M NaOH in the presence of CTAB) had a mesopore surface area of 107 m2/g, highly dispersed-reducible Ga species, and preserved intrinsic zeolitic properties. This sample displayed remarkable catalytic performance in propane aromatization, with conversion of 56.3%, as compared to 30.8% provided by steamed H-galloaluminosilicate. At comparable conversion level (?25%), the ordered mesoporous H-galloaluminosilicate was more selective to aromatics (BTX), with 58.3% as compared to 42.5% for conventional sample. The superior aromatization performance was tentatively attributed to the (gallination- degalliation-“re-gallination” of extracrystalline Ga2O 3) effect promoted by the combined effects of hydrothermal (in situ) synthesis and hierarchal pore arrangements. On the contrast, propane aromatization ability of HZSM-5 catalysts was not changed upon the hydrolysis under analogous hydrolytic conditions as those of H-galloaluminosilicate.
I hope this article can help some friends in scientific research. I am very proud of our efforts over the past few months and hope to 1941-30-6, help many people in the next few years.Formula: C12H28BrN
Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI