Iron oxide yellow
C.I. Pigment Yellow 42
CAS 51274-00-1 · FeH₃O₃ · MW 106.87 g/mol
About Iron oxide yellow
Iron oxide yellow is a chemical compound registered under number CAS 51274-00-1, with the molecular formula FeH₃O₃, and a molar mass of 106.87 g/mol.
The molecule contains 7 atoms connected by 3 chemical bonds. The full systematic IUPAC name of this compound is iron(3+);oxygen(2-);hydroxide;hydrate. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.
In terms of physicochemical properties, polar surface area PSA = 3 Ų, 2 donors and 3 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.
Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The widget above may be used for educational, research and commercial purposes.
Physicochemical properties
| Wzór sumaryczny | FeH₃O₃ |
| Masa molowa | 106.87 g/mol |
| IUPAC | iron(3+);oxygen(2-);hydroxide;hydrate |
| SMILES | O.[OH-].[O-2].[Fe+3] |
| InChIKey | LDHBWEYLDHLIBQ-UHFFFAOYSA-M |
| logP (XLogP3) | — |
| PSA | 3 Ų |
| HBD / HBA | 2 / 3 |
| PubChem CID | CID 23320441 ↗ |
Scientific literature
Literatura naukowa
20 artykułów · 16 open access · Źródła: PubMed, OpenAlex, Semantic Scholar
📈 Timeline publikacji (20 artykułów)
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Dane z PubMed (NIH NLM), OpenAlex (CC0), Semantic Scholar (AI2). AI Summary wygenerowane przez Semantic Scholar TLDR. Artykuły z ikoną 
wymagają płatnego dostępu.
Data sources
- 📊 PubChem CID 23320441 — NIH
- 🔬 NIST WebBook — spektroskopia
- 🌐 Wikidata
- 💊 ChEMBL — bioaktywność