NH2-MIL-101(Fe) Metal Organic Frameworks (MOFs) Derivative for Gas Absorption, Separation, and Catalysis, CGASCMOFNH2MIL101Fe
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NH2-MIL-101(Fe) (Fe3O(X)(H2O)2(BDC-NH2)3, where X =Cl-, OH-, or F-; BDC-NH2 = 2-amino-1,4-benzenedicarboxylate) is the isoreticular, amino-functionalized derivative of pristine MIL-101(Fe). It crystallizes in an augmented MTN zeolite-type topology built from inorganic u3-oxo-centered iron trimers (Fe3O) cross-linked by 2-aminoterephthalate linkers. The introduction of pendant aromatic amine (-NH2) groups combines the ultra-large mesopore volume of the MIL-101 architecture with localized Lewis basicity, visible-light optical response, and high affinity for acidic gas molecules.
For Gas Absorption & Separation, the key structural features of the NH2-MIL-101(Fe) are: (1) Dual Mesoporous Cage Architecture: Small Mesoporous Cages: ~ 29 Å internal diameter with pentagonal window apertures of ~ 11-12 Å. Large Mesoporous Cages: ~ 34 Å internal diameter with hexagonal window apertures of ~ 14.5-16 Å. (2) Synergistic Lewis Acid-Base Active Sites: Lewis Acid Centers: Thermal activation exposes coordinatively unsaturated Fe^{3+}/Fe^{2+} open metal sites on the Fe3O trimers. Lewis Base / Polar Centers: Uncoordinated -NH2 groups line the internal cage walls, providing basic lone pairs and hydrogen-bonding donor/acceptor sites.
| Part Number | CGASCMOFNH2MIL101Fe (C-GASC-MOF-NH2MIL101Fe) |
| CAS | 1189182-85-1 |
| Color | Pale Purple Powder |
| Average Sizes | ~300-400 nm |
| BET | >1800 m2/g |
| Pore Size | 0.5-1.5 nm |
| Primary Applications |
Gas absorption, storage, and separation. Wastewater treatment, ion separation Heterogeneous catalysis |
| Package Grade | 5 g/bottle |
References:
- M. Li, et al., NH2‑MIL-101(Fe) Nanocrystals Synthesized by the Ionic Liquid–Ethanol Interface for Efficient CO2 Fixation at Mild Conditions, ACS Appl. Mater. Interfaces (2025) 17 (13): 20461–20470.
- J. Cai, et al., Preparation of Guanidine-Grafted NH2‑MIL-101(Fe)/Polyvinylidene Fluoride Mixed Matrix Membranes for Adsorption of Pb2+ for Isopropanol Purification, Inorg. Chem. (2024) 63 (37): 17225–17237.