C.I. Pigment Yellow 42

C.I. Pigment Yellow 42 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 interactive 3D model and the viewer images are protected by copyright (© MolGod.org) — terms of use: molgod.org/copyright/.

Molecular formula	FeH₃O₃
Molar mass	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 ↗

Brak articles naukowych dla CAS 51274-00-1 w PubMed / OpenAlex / Semantic Scholar.

Ferric oxide Yellow · EX438O2MRT · C.I. 77492 · RefChem:1080569 · 51274-00-1 · Yellow iron oxide · Iron Oxide Yellow · Ferric oxide, yellow · Bayferrox 920 · UNII-EX438O2MRT · Iron hydroxide oxide yellow · Ferric oxide, yellow [NF] · CCRIS 4378 · iron(3+);oxygen(2-);hydroxide;hydrate · EINECS 257-098-5

• 📊 PubChem CID 23320441 — NIH
• 🔬 NIST WebBook — spectroscopy
• 💊 ChEMBL — bioactivity