A Magnetic Susceptibility Balance is used to determine the magnetic properties of this product.
700304
Iron oxide(II,III), magnetic nanoparticles solution
20 nm avg. part. size, 5 mg/mL in toluene
Synonyme(s) :
Magnetic iron oxide nanocrystals, Magnetite, Superparamagnetic iron oxide nanoparticles
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About This Item
Formule empirique (notation de Hill):
Fe3O4
Numéro CAS:
Poids moléculaire :
231.53
Numéro MDL:
Code UNSPSC :
12352302
ID de substance PubChem :
Nomenclature NACRES :
NA.23
Le tarif et la disponibilité ne sont pas disponibles actuellement.
Produits recommandés
Forme
nanoparticles
solution
Niveau de qualité
Concentration
5 mg/mL in toluene
Magnétisation
>20 emu/g, at room temp. under 4500 Oe
Taille moy. des particules
20 nm
Taille des particules
20 nm (+/- 2nm TEM)
Densité
0.865 g/mL at 25 °C
Chaîne SMILES
O=[Fe].O=[Fe]O[Fe]=O
InChI
1S/3Fe.4O
Clé InChI
SZVJSHCCFOBDDC-UHFFFAOYSA-N
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Catégories apparentées
Description générale
Concentration 5mg/ml includes total weight nanocrystals plus ligands.
Mention d'avertissement
Danger
Mentions de danger
Conseils de prudence
Classification des risques
Aquatic Chronic 3 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3
Organes cibles
Central nervous system, Respiratory system
Code de la classe de stockage
3 - Flammable liquids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
45.0 °F
Point d'éclair (°C)
7.2 °C
Équipement de protection individuelle
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Les clients ont également consulté
Jens Baumgartner et al.
Nature materials, 12(4), 310-314 (2013-02-05)
The formation of crystalline materials from solution is usually described by the nucleation and growth theory, where atoms or molecules are assumed to assemble directly from solution. For numerous systems, the formation of the thermodynamically stable crystalline phase is additionally
Marina I Siponen et al.
Nature, 502(7473), 681-684 (2013-10-08)
Magnetotactic bacteria align along the Earth's magnetic field using an organelle called the magnetosome, a biomineralized magnetite (Fe(II)Fe(III)2O4) or greigite (Fe(II)Fe(III)2S4) crystal embedded in a lipid vesicle. Although the need for both iron(II) and iron(III) is clear, little is known
Yongxing Hu et al.
Journal of the American Chemical Society, 135(6), 2213-2221 (2013-01-26)
Controlled assembly of nanoparticles into asymmetric configurations is of great interest due to their novel properties and promising applications. In this Article, we report a generic strategy for the synthesis of dimer nanoclusters and asymmetric nanoassemblies by using magnetic colloidal
Maoquan Chu et al.
Biomaterials, 34(16), 4078-4088 (2013-03-08)
The photothermal effect of Fe3O4 magnetic nanoparticles is investigated for cancer therapy both in vitro and in vivo experiments. Heat is found to be rapidly generated by red and near-infrared (NIR) range laser irradiation of Fe3O4 nanoparticles with spherical, hexagonal and wire-like
A Aranda et al.
Toxicology in vitro : an international journal published in association with BIBRA, 27(2), 954-963 (2013-01-30)
No consensus exists on how to address possible toxicity of nanomaterials as they interfere with most in vitro screening tests based on colorimetric and fluorimetric probes such as the dichloro-dihydro-fluorescein diacetate (DCFH-DA) assay for detection of oxidative species. In the
Articles
Graphene is a unique two-dimensional (2D) structure of monolayer carbon atoms packed into a dense honeycomb crystal that has attracted great interest due to its diverse and fascinating properties.
Professor Hui Mao explores the use of superparamagnetic iron oxide nanoparticles (INOPs) that offer an alternate contrast-enhancing mechanism.
Prof. Yadong Yin discusses various synthesis methods of magnetite nanocrystals and their applications in different fields.
Prof. Yadong Yin discusses various synthesis methods of magnetite nanocrystals and their applications in different fields.
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What method is used to determine the magnetization of Product 700304, Iron oxide, magnetic nanoparticles?
1 answer-
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How should a sample of the Iron oxide(II,III), magnetic nanoparticles solution in toluene be prepared for analysis by transmission electron microscopy (TEM)?
1 answer-
The particle size is determined by TEM.If the solution as provided is not diluted, a superlattice of multilayer nanocrystals will form on the grid, appearing to be an aggregate. The solution can be diluted with the same solvent that it was shipped in (toluene). A solution diluted to 0.1-0.5 mg/mL should be concentrated enough to get a nice picture. One drop per grid should be sufficient. (Since the solution is provided at a concentration of 5 mg/mL, this would be a 10- to 50-fold dilution.)After applying the sample to the grid, a drying time of a minimum of 10-15 minutes is recommended.After performing several successful dilutions and getting good results, the analyst will get a feel for the correct dilution just by judging the color and darkness of the diluted sample. If you see lone isolated dots in the TEM, then your sample is too dilute. If you cannot distinguish separate particles, it is too concentrated. Good record keeping will help to zero in on the best dilution factor for the type of picture that you want.
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When using Product 700304, Iron oxide, magnetic, is it common to see particulates settle on the bottom of the bottle or would this indicate a quality problem?
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Occasionally a precipitate will form in concentrated samples, but at the 5mg/ml concentration, there should be little, if any, particulate.
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What is the coating thickness of oleic acid on product number 700312, 700320, and 700304, Iron oxide(II,III), magnetic nanoparticles solution?
1 answer-
The suppliers of the magnetic iron oxide nanoparticles in toluene have indicated that the particles are essentially coated with a monolayer of oleic acid. Since the oleic acid is a long chain hydrocarbon there can exist some folding and irregular structure on the surface. The suppliers estimate that one should add 1-2 nm to the particle size due to the presence of the oleic acid coating. From this, 1.5 nm is the closest approximation of coating thickness as provided by our suppliers.
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What is the Department of Transportation shipping information for this product?
1 answer-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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