UIO-66-NH2(Zr) Metal Organic Frameworks (MOFs) Powder for Gas Absorption, Separation, and Catalysis, CGASCMOFUIO66NH2Zr
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UiO-66-NH2 (Zr6O4(OH)4(BDC-NH2)6, where BDC-NH2 = 2-amino-1,4-benzenedicarboxylate}) is the isoreticular, amino-functionalized analogue of pristine UiO-66. The introduction of pendant aromatic amine (-NH2) groups into the framework retains the parent material's hydrothermal, chemical, and mechanical stability while introducing strong basic/dipolar sites and shifting optical absorption into the visible light spectrum.
For Gas Absorption & Separation, the key structural features of the UIO-66-NH2 are: (1) Selective CO2 Capture (CO2/N2 & CO2/CH4): The nucleophilic lone pair on the uncoordinated -NH2 nitrogen forms moderate dipole-quadrupole and local hydrogen-bonding interactions with the electrophilic carbon of CO2. This increases low-pressure (< 0.15 bar) CO2 uptake capacity and sharply elevates Ideal Adsorbed Solution Theory (IAST) selectivity over non-polar CH4 and N2. (2) Steric Size-Selective Sieving: The protruding amino groups constrict the effective triangular window diameter to ~ 4.5 Å, facilitating kinetic discrimination for smaller gas molecules (H2, CO2) over bulkier hydrocarbons (C2H6, C3H8). (3) Mixed-Matrix Membranes (MMMs): Pendant-NH2 moieties form strong hydrogen bonds and covalent links with polyimide and polysulfone matrices (e.g., Matrimid, 6FDA-DAM, Pebax), eliminating non-selective interface voids and sieve-in-a-cage defects.
For Lewis Base/Heterogeneous Catalysis: Free primary amine sites serve as solid base catalysts for base-catalyzed organic transformations, including Knoevenagel condensation, Henry reactions, and transesterification, without requiring homogeneous base additives.
| Part Number | CGASCMOFUIO66NH2Zr (C-GASC-MOF-UIO66NH2Zr) |
| CAS | 1260119-00-3 |
| Color | Pale Yellow Powder |
| Average Sizes | 100-200 nm |
| BET | >1000 m2/g |
| Pore Size | 0.3-1.1 nm |
| Primary Applications |
Gas absorption, storage, and separation. Wastewater treatment, ion separation Heterogeneous catalysis |
| Package Grade | 5 g/bottle |
References:
- Z. Wang, et al., Postmodification of UiO-66-NH2 Enhances the Interfacial Interaction of Mixed Matrix Membranes for Efficient CO2/N2 Separation, ACS Appl. Polym. Mater. (2025) 7 (1): 386–395.
- G. W. Peterson, et al., Engineering UiO-66-NH2 for Toxic Gas Removal, Ind. Eng. Chem. Res. (2014) 53 (2): 701–707.