# Iron oxide yellow

CAS: 51274-00-1
PubChem CID: 23320441
InChIKey: LDHBWEYLDHLIBQ-UHFFFAOYSA-M
Wikidata: Q27277405
Molecular formula: FeH₃O₃
Molar mass: 106.87 g/mol
IUPAC: iron(3+);oxygen(2-);hydroxide;hydrate
SMILES: O.[OH-].[O-2].[Fe+3]
InChI: InChI=1S/Fe.2H2O.O/h;2*1H2;/q+3;;;-2/p-1
PSA: 3 A^2
Hydrogen bond donors: 2
Hydrogen bond acceptors: 3
Rotatable bonds: 0
Heavy atoms: 4
3D structure: 7 atoms, 3 bonds

## About the compound

Iron oxide yellow is a chemical compound registered under CAS number 51274-00-1. Molecular formula: FeH₃O₃. Molar mass: 106.87 g/mol. The full systematic IUPAC name is: iron(3+);oxygen(2-);hydroxide;hydrate. The molecule contains 7 atoms connected by 3 chemical bonds. 
Chemical data comes from the PubChem (NIH), ChEMBL (EBI) and NIST WebBook databases. GHS statement translations comply with the CLP Regulation (EC 1272/2008). Interactive 3D model and 2D skeleton available at: https://epchems.online/molekula/51274-00-1/


## Available in the shop

Shop: Eapearl Chemical
Product: Iron oxide yellow
URL: https://epchems.online/products/iron-oxide-yellow/

## Data sources

  - PubChem CID 23320441: https://pubchem.ncbi.nlm.nih.gov/compound/23320441
  - Wikidata: https://www.wikidata.org/wiki/Q27277405
  - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=51274-00-1
  - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=51274-00-1

---
Standalone HTML page: https://epchems.online/molekula/51274-00-1/
Markdown version: https://epchems.online/molekula/51274-00-1.md
JSON API: https://epchems.online/wp-json/molgod/v1/molecule/51274-00-1
Last updated: 2026-09-23
Generator: MOL-GOD v3.12.33