oxoiron

• ChemBase ID: 127867
• Molecular Formular: FeO
• Molecular Mass: 71.8444
• Monoisotopic Mass: 71.92985212
• SMILES: [Fe]=O
• Canonical SMILES: O=[Fe]
• InChI: InChI=1S/Fe.O
• InChIKey: UQSXHKLRYXJYBZ-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: oxoiron
• IUPAC Traditional name: iron oxide
• Synonyms: Ferrous oxide; Iron(II) oxide; Iron(II) oxide; 氧化铁(II)

Database IDs

• CAS Number: 1345-25-1
• EC Number: 215-721-8
• MDL Number: MFCD00016095
• PubChem SID: 24864959; 162222184
• PubChem CID: 14945
• CHEBI ID: 50820
• Chemspider ID: 14237
• Unique Ingredient Identifier: G7036X8B5H
• Wikipedia Title: Iron(II)_oxide

CALCULATED PROPERTIES

• H Acceptors: 1
• H Donor: 0
• LogD (pH = 5.5): 0.04859971
• LogD (pH = 7.4): 0.048599996
• Log P: 0.0486
• Molar Refractivity: 1.4429 cm^3
• Polarizability: 3.9723997 Å^3
• Polar Surface Area: 17.07 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: insoluble in alkali, alcohol ; dissolves in acid; Insoluble in water
• Apperance: black crystals; powder
• Melting Point: 1377°C
• Boiling Point: 3414°C
• Auto Ignition Point: variable
• Density: 5.7 g/mL at 25 °C(lit.); 5.745 g/cm^3
• Refractive Index: 2.23

Safety Information

• European Hazard Symbols: Flammable (F)
• UN Number: 3178
• German water hazard class: -; nwg
• Hazard Class: 4.1
• Packing Group: 2
• Risk Statements: 11
• Safety Statements: 16-33-7/9; 7/9-16-33
• EU Index: Not listed
• GHS Pictograms: GHS02
• GHS Signal Word: Warning
• Main Hazard: can be pyrophoric
• GHS Hazard statements: H228
• GHS Precautionary statements: P210
• RID/ADR: UN 3178 4.1/PG 2

Product Information

• Purity: 99.9% trace metals basis
• Grade: CP
• Particle Size: -10 mesh
• Impurities: ≤5% free iron
• Empirical Formula (Hill Notation): FeO

DETAILS

Sigma Aldrich - 400866

Packaging
5, 25 g in glass bottle
Application
Employed in the synthesis of the first example of a mixed-valence ammonium iron phosphate, NH4Fe2(PO4)2.1