Benzaldehyde 3D Molecular Model — CAS 100-52-7
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Free educational Benzaldehyde model (C7H6O, CAS 100-52-7) with an engraved element symbol on every atom.
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Benzaldehyde (C7H6O, CAS 100-52-7) — a free educational 3D molecular model for teachers and students, by MolGod.org. Symbols are engraved into every atom, so students read atoms by symbol, not by colour.
Ask students to describe the framework of Benzaldehyde before anything else: one aromatic 6-membered ring. Then count the bonds together; there are 14 (7 single, 1 double and 6 aromatic, drawn in Kekulé form). Use the engraved letters like a register: call out each element and tick it off until the class reaches 7 C + 6 H + 1 O (14 atoms altogether). Spot-the-group challenge: can students find the aldehyde group (-CHO)? A good fit for lessons on aromaticity and delocalised electrons, as well as on the carbonyl group (C=O). Its closest structural relatives in the MolGod.org collection are Cinnamaldehyde (CAS 104-55-2) and 4-Hydroxybenzaldehyde (CAS 123-08-0); printing them side by side makes a quick compare-and-contrast exercise.
MolGod.org shares these models for free to make chemistry tangible in the classroom. Teachers: hand out printed copies and ask students to rebuild the structural formula from the model.
Full record and more free models: https://molgod.org/molecule/100-52-7/?utm_source=printables&utm_medium=referral&utm_campaign=edu-3d-models
Licence & provenance: https://molgod.org/licenses/stl/100-52-7/
Same file on Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Benzaldehyde-3D-molecular-model-engraved-CAS-100-52-7.stl
A ball-and-stick model of Benzaldehyde 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: 188,916 triangles, closed (watertight) single solid. Coordinates in ångström (STL stores no unit) — scale the model deliberately in your slicer.
Names in other languages: Benzaldehyd (de); benzaldéhyde (fr); benzaldeide (it); aldehyd benzoesowy (pl); 苯甲醛 (zh).
Chemical identity
CAS Registry Number: 100-52-7
Molecular formula: C7H6O
Molar mass: 106.12 g/mol (exact mass 106.041864811)
IUPAC name: benzaldehyde
MolGod ID: MG_903-981-510-95 (https://molgod.org/id/MG_903-981-510-95)
PubChem CID: 240 (https://pubchem.ncbi.nlm.nih.gov/compound/240)
Wikidata: Q372524 (https://www.wikidata.org/wiki/Q372524)
EC number: 202-860-4
ChemSpider ID: 235
InChIKey: HUMNYLRZRPPJDN-UHFFFAOYSA-N
SMILES: C1=CC=C(C=C1)C=O
Required attribution (CC BY-SA 4.0): "Benzaldehyde 3D model by MolGod.org — https://molgod.org/molecule/100-52-7/ — CC BY-SA 4.0"
Licence text: https://creativecommons.org/licenses/by-sa/4.0/