4,4'-Diaminodiphenyl Ether — CAS 101-80-4

4,4'-Diaminodiphenyl Ether (C12H12N2O, CAS 101-80-4) — a free educational 3D molecular model for teachers and students, by MolGod.org. Every atom carries its engraved element symbol (C, H, O, N...), so no colour key is needed.

At its heart, 4,4'-Diaminodiphenyl Ether is built around two 6-membered rings, both aromatic. The model shows 28 bonds: 16 single and 12 aromatic. Hand the model round and let students tally the engraved atoms: 12 C + 12 H + 2 N + 1 O, 27 in total. Spot-the-group challenge: can students find the ether linkage (C-O-C) and the two primary amino groups (-NH2)? Use it when you teach aromaticity and delocalised electrons, as well as amines and basicity. Its closest structural relative in the MolGod.org collection is p,p'-Oxybis(benzenesulfonyl hydrazide) (CAS 80-51-3); printing them side by side makes a quick compare-and-contrast exercise.

Free for education: MolGod.org publishes engraved molecular models for teachers, students and schools. Teachers: use it as a hands-on starter before drawing the structural formula on the board.

Full record and more free models: https://molgod.org/molecule/101-80-4/?utm_source=myminifactory&utm_medium=referral&utm_campaign=edu-3d-models Licence & provenance: https://molgod.org/licenses/stl/101-80-4/ Same file on Wikimedia Commons: https://commons.wikimedia.org/wiki/File:4,4'-Diaminodiphenyl_Ether-3D-molecular-model-engraved-CAS-101-80-4.stl

A ball-and-stick model of 4,4'-Diaminodiphenyl Ether with each element symbol recessed into its atom sphere, generated by MolGod.org from a PubChem-computed 3D conformer (not an experimental crystal structure); atomic coordinates and connectivity are unchanged. STL mesh: 359,500 triangles, closed (watertight) single solid. Coordinates in ångström (STL stores no unit) — scale the model deliberately in your slicer.

Names in other languages: 4,4'-Oxydianilin (de); 4,4′-oksydianilina (pl); 4,4'-二氨基二苯醚 (zh).

Chemical identity - CAS Registry Number: 101-80-4 - Molecular formula: C12H12N2O - Molar mass: 200.24 g/mol (exact mass 200.094963011) - IUPAC name: 4-(4-aminophenoxy)aniline - MolGod ID: MG_469-591-254-16 (https://molgod.org/id/MG_469-591-254-16) - PubChem CID: 7579 (https://pubchem.ncbi.nlm.nih.gov/compound/7579) - Wikidata: Q3704503 (https://www.wikidata.org/wiki/Q3704503) - EC number: 202-977-0 - ChemSpider ID: 7298 - InChIKey: HLBLWEWZXPIGSM-UHFFFAOYSA-N - SMILES: C1=CC(=CC=C1N)OC2=CC=C(C=C2)N

Required attribution (CC BY-SA 4.0): "4,4'-Diaminodiphenyl Ether 3D model by MolGod.org — https://molgod.org/molecule/101-80-4/ — CC BY-SA 4.0" Licence text: https://creativecommons.org/licenses/by-sa/4.0/