oxo[(oxoferrio)oxy]iron; oxoiron

• ChemBase ID: 141067
• Molecular Formular: Fe3O4
• Molecular Mass: 231.5326
• Monoisotopic Mass: 231.78447098
• SMILES: O=[Fe].O=[Fe]O[Fe]=O
• Canonical SMILES: O=[Fe]O[Fe]=O.[Fe]=O
• InChI: InChI=1S/3Fe.4O
• InChIKey: SZVJSHCCFOBDDC-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: oxo[(oxoferrio)oxy]iron; oxoiron
• IUPAC Traditional name: ferric oxide; iron oxide
• Synonyms: Iron(II,III) oxide; Magnetic iron oxide nanocrystals; Magnetite; Superparamagnetic iron oxide nanoparticles; Iron oxide(II,III), magnetic nanoparticles solution; 氧化铁(II,III); 磁性氧化铁纳米晶体; 磁铁矿; 超顺磁氧化铁纳米粒子; 氧化铁磁性纳米粒子 溶液

Database IDs

• CAS Number: 1317-61-9
• EC Number: 215-277-5
• MDL Number: MFCD00011010
• PubChem SID: 162235302; 24874003; 24882829; 24858770
• PubChem CID: 16211978

CALCULATED PROPERTIES

• H Acceptors: 2
• H Donor: 0
• LogD (pH = 5.5): 0.3684
• LogD (pH = 7.4): 0.3684
• Log P: 0.3684
• Molar Refractivity: 4.236 cm^3
• Polarizability: 8.774179 Å^3
• Polar Surface Area: 43.37 Å^2
• Rotatable Bonds: 2
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: nanopowder; powder; solution; spherical
• Melting Point: 1538 °C(lit.)
• Flash Point: >104 °C; >110 °C; >219.2 °F; >230 °F; 39.2 °F; 4 °C; 44.6 °F; 7 °C
• Density: 0.865 g/mL at 25 °C; 1.00 g/mL at 25 °C; 4.8-5.1 g/mL at 25 °C(lit.)
• Magnetization: >20 emu/gat 4500Oe; >20 emu/gat room temp. under 4500 Oe; >25 emu/gat 4500Oe; >45 emu/g (at ambient temperature under 4500 Oe); >45 emu/gat 4500Oe; ≥30 emu/g (at ambient temperature under 4500 Oe)

Safety Information

• European Hazard Symbols: Flammable (F); Irritant (Xi); Harmful (Xn)
• UN Number: 1294
• German water hazard class: 2; 3
• Hazard Class: 3
• Packing Group: 2
• Risk Statements: 36/37/38; 63-11-38-48/20-65-67
• Safety Statements: 16-36/37-62; 22-26-37/39; 26-36/37/39
• GHS Pictograms: GHS02; GHS07; GHS08
• GHS Signal Word: Danger; Warning
• GHS Hazard statements: H225-H304-H315-H336-H361d-H373; H315-H319-H335
• GHS Precautionary statements: P210-P261-P281-P301 + P310-P331; P261-P305 + P351 + P338
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves; Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1294 3/PG 2

Product Information

• Purity: ≥98% trace metals basis; 95%; 99.99% trace metals basis
• Concentration: 5 mg/mL in H2O; 5 mg/mL in toluene
• Grade: CP
• Particle Size: <5 μm; <50 nm (TEM); 18-22 nm; 18-22 nm (TEM); 4-6 nm (TEM); 5 nm±1 nm ( TEM; conforms); 9-11 nm (TEM); 9-11 nm (TEM; conforms)
• Surface Area: BET surf. area >60 m2/g
• Bulk Density: 0.84 g/mL
• Avg. Particle Size: 10 nm; 20 nm; 5 nm
• Empirical Formula (Hill Notation): Fe3O4

DETAILS

Sigma Aldrich - 725331

General description
Concentration 5mg/ml includes total weight nanocrystals plus ligands.
Contains <1.0% modified short chain polyethylene glycol (PEG) stabilizing ligands
Packaging
5 mL in glass bottle

Sigma Aldrich - 310069

Packaging
2.5 kg in glass bottle
25, 500 g in poly bottle

Sigma Aldrich - 518158

Packaging
10, 50 g in poly bottle

Sigma Aldrich - 700304

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
General description
Concentration 5mg/ml includes total weight nanocrystals plus ligands.
Contains <1.0% oleic acid stabilizing ligands
Packaging
5 mL in glass bottle

Sigma Aldrich - 637106

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
Packaging
25, 100, 250 g in glass bottle
Protocols & Applications
Chemical Synthesis of Monodisperse Magnetic Nanoparticles

Sigma Aldrich - 700312

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
General description
Concentration 5mg/ml includes total weight nanocrystals plus ligands.
Contains <1.0% oleic acid stabilizing ligands
Packaging
5 mL in glass bottle

Sigma Aldrich - 725366

General description
Concentration 5mg/ml includes total weight nanocrystals plus ligands.
Contains <1.0% modified short chain polyethylene glycol (PEG) stabilizing ligands
Packaging
5 mL in glass bottle

Sigma Aldrich - 700320

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
General description
Concentration 5mg/ml includes total weight nanocrystals plus ligands.
Contains <1.0% oleic acid stabilizing ligands
Packaging
5 mL in glass bottle

Sigma Aldrich - 725358

General description
Concentration 5mg/ml includes total weight nanocrystals plus ligands.
Contains <1.0% modified short chain polyethylene glycol (PEG) stabilizing ligands
Packaging
5 mL in glass bottle