Iron(III) Oxide Monohydrate, Yellow CAS #: 51274-00-1

Synonyms Ferric oxide hydrate, micronised yellow iron oxide, Pigment Yellow 42, Compound ferric green 5606, Bayferrox 920, CAS 12259-21-1, diferric oxide hydrate, Iron hydroxide oxide yellow

Compound Formula: Fe2H2O4 Molecular Weight: 171.71 Appearance: Yellow powder Melting Point: >1000 °C Boiling Point: N/A Density: 2.44-3.60 g/cm3 Solubility in H2O: N/A Exact Mass: 177.865 g/mol Monoisotopic Mass: 177.865 g/mol

Health & Safety Information Signal Word: N/A Hazard Statements: N/A Hazard Codes: N/A Precautionary Statements: P262-P280-P305+P351+P338-P304+P340-P403+P233-P501 Flash Point: Not applicable Risk Codes: N/A Safety Statements: N/A Transport Information: NONH for all modes of transport

Chemical Identifiers Linear Formula: Fe2O3• H2O Pubchem CID: 61560 MDL Number: MFCD00149717 EC No.: 257-098-5 IUPAC Name: iron(3+); oxygen(2-); hydrate SMILES: O.[O-2].[O-2].[O-2].[Fe+3].[Fe+3] InchI Identifier: InChI=1S/2Fe.H2O.3O/h;;1H2;;;/q2*+3;;3*-2 InchI Key: QGPQTSCLUYMZHL-UHFFFAOYSA-N