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12- Crown Ether -412-Crown-4 (12-crown-4) is an organic compound belonging to the crown ether family with a molecular formula of C8H16O4 and a molecular weight of 176.21 g/mol. Crown ether is a class ofread more
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Tetrapropylammonium BromideTetrapropylammonium Bromide 99.0% (CAS 1941-30-6) is mainly used as a phase transfer catalyst for organic synthesis and a molecular sieve template agent.read more
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Tetrabutylammonium BromideTetrabutylammonium Bromide 99.0% (CAS 1643-19-2) is a widely used phase transfer catalyst, commonly used in organic synthesis, esterification reactions, alkylation reactions, and other fields. Ourread more
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Tetrabutylammonium Chloride 95%Tetrabutylammonium chloride (TBACL) is a quaternary ammonium compound. The form ₆ was C₁₆H₃ ClN and its molecular weight was approximately 277.92 g/mol. It has certain hygroscopicity and is easilyread more
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Tetrabutylammonium TetrafluoroborateTetrabutylammonium tetrafluoroborate (CAS 429-42-5 ), also known as TBATFB, is an organic chemical compound with the formula C₁₆H₃₆BF₄N. It is a quaternary ammonium salt with solubility in water andread more
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Tetrabutylammonium TribromideTetrabutylammonium tribromide (CAS 38932-80-8) is a stable orange non-toxic solid with a melting point of 69–75°C. It is insoluble in water but soluble in chloroform, dichloromethane, ethyl acetate,read more
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Triethylamine HydrobromideTriethylamine hydrobromide (CAS 636-70-4) , Purity 99.0% min,it is a white crystalline solid that is stable at room temperature. It is strongly hygroscopic and soluble in water. Its aqueous solutionread more
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Tetraethylammonium HydroxideTetraethylammonium hydroxide (CAS 77-98-5) is used as a phase transfer catalyst, a template agent for molecular sieve synthesis, a cleaning agent, and a deimpurity agent in the petroleum industry.read more
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Benzyltrimethylammonium HydroxideBenzyltrimethylammonium hydroxide(CAS 100-85-6)with a content of 25%, It is commonly used as polymerization catalyst for synthesis of silicone rubber and other organosilicon products andread more
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15- Crown Ether -515-crown-5 is a chemical with a molecular formula of C10H20O5, a molecular weight of 220.26 g/mol, and a CAS number of 33100-27-5. It belongs to the category of crown ether compounds, which are namedread more
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18- Crown Ether -618-crown-6 is an organic compound with the formula C12H24O6. It belongs to the macrocyclic ether class, characterized by a large ring in the molecular structure, with multiple oxygen atomsread more
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Dibenzo-18-crown-6Dibenzo-18-crown ether-6, specifically, is a ring structure composed of two benzene rings through 18 carbon atoms and 6 oxygen atoms, of which 6 oxygen atoms are located on the ring, spaced apart,read more
Oct 1, 2008 · Fluorous quaternary ammonium and phosphonium salts, as well as fluorous macrocyclic ligands, such as crown and aza-crown ethers, have been gradually emerging as...
Crown compounds locks guest atoms in a solution and wrap around it. Crown ethers are used in PTC (phase-transfer catalysts) system and in encouraging the solubility of inorganic...
Jan 2, 2010 · By formula: C 4 H 5 N 2 + + C 8 H 16 O 4 = (C 4 H 5 N 2 + • C 8 H 16 O 4) Bond type: Hydrogen bonds with polydentate bonding in positive ions...
May 1, 2022 · In this study, we develop a strategy of in-situ controlling the growth of the quasi-2D PCs. By introducing the molecule of the 1, 4, 7, 10-tetraoxetane (12-Crown-4) ether into the...
12-Crown-4 is a crown ether generally used as a ligand in coordination chemistry. It is also known as lithium ionophore because of its strong chelating property specific to lithium cation....
Here, we present a nine-atom tin cluster, Sn4−, crys- tallized with potassium countercations that are sequestered by the very small 12-crown-4 ether (12C4)....
