This is a high purity anatase phase. There should not be rutile phase present.
637254
Titanium(IV) oxide, anatase
nanopowder, <25 nm particle size, 99.7% trace metals basis
Sinónimos:
TiO2 nanopowder, Titanium dioxide
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50 G
236,00 €
500 G
362,00 €
100 G
437,00 €
236,00 €
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50 G
236,00 €
500 G
362,00 €
100 G
437,00 €
About This Item
Fórmula lineal:
TiO2
Número de CAS:
Peso molecular:
79.87
Número CE:
Número MDL:
Código UNSPSC:
12352302
ID de la sustancia en PubChem:
NACRES:
NA.23
236,00 €
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Nivel de calidad
Ensayo
99.7% trace metals basis
Formulario
nanopowder
superficie
45-55 m2/g
tamaño de partícula
<25 nm
mp
1825 °C (lit.)
densidad
3.9 g/mL at 25 °C (lit.)
densidad aparente
0.04‑0.06 g/mL
aplicaciones
battery manufacturing
cadena SMILES
O=[Ti]=O
InChI
1S/2O.Ti
Clave InChI
GWEVSGVZZGPLCZ-UHFFFAOYSA-N
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Descripción general
Our titanium(IV) oxide, anatase nanopowder is a fine white powder composed of titanium dioxide nanoparticles with a particle size less than 25 nm. Anatase is a metastable polymorph of TiO2, which is less hard and less dense than the rutile polymorph. Optically, anatase nanopowder has a lower refractive index, absorbs less UV light, and exhibits greater photocatalytic activity than the rutile polymorph. Consequently, anatase is often preferred in applications where photocatalytic activity is desired, such as self-cleaning surfaces and solar cells.
Aplicación
Titania paste may be used as a transparent coating for self cleaning glass.[1]Low optical scattering titania-acrylate nanocomposites have been reported.[2] Metal contacts in solar cells based on titanium dioxide and di-(isothiocyanate)-bis-(2,2′-bipyridyl-4,4′-dicarboxylate)ruthenium(II) have been studied.[3]
Código de clase de almacenamiento
13 - Non Combustible Solids
Clase de riesgo para el agua (WGK)
nwg
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
Equipo de protección personal
dust mask type N95 (US), Eyeshields, Gloves
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Certificados de análisis (COA)
Lot/Batch Number
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Is this product a high-purity anatase phase TiO2 or Is it possible that the rutile phase is also included?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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How can I determine the shelf life / expiration / retest date of this product?
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf¿Le ha resultado útil?
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Are the NP silanized? Do they need to be activated by UV for antimicrobial property?
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This product is packaged in glass vials and will not be salinized. Titanium (IV) oxide nanopowder has been proved to be the most active photocatalytic semiconductor under ultraviolet radiation. Ultraviolet (UV) light-mediated activation of titanium dioxide (TiO2) cleans the surface microenvironment through photocatalysis.
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What is the Department of Transportation shipping information for this product?
1 respuesta-
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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What possible solvents can be used with Titanium(IV) oxide, anatase - nanopowder?
1 respuesta-
According to the chemicals encyclopedia published by the Royal Society of Chemistry (13th ed.), titanium (IV) oxide is soluble in hot, concentrated sulfuric acid and hydrofluoric acid. It is insoluble in water, hydrochloric acid, and nitric acid.
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How is Titanium(IV) oxide, anatase - nanopowder, Product 637254, manufactured?
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According to the manufacturer, product 637254 is produced by a process of calcination at 300°C.
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What does "Trace Metal Basis" mean?
1 respuesta-
For this product, the purity is determined by testing total metallic impurities. Our specifications only allow for a maximum of 1000 ppm. On the Certificate of Analysis, you will be able to see which metals were tested and the amount.
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What is the solubility of Product 637254, Titanium(IV) oxide, anatase - nanopowder?
1 respuesta-
We do not test the solubility of this product. However, according to the chemicals encyclopedia published by the Royal Society of Chemistry, 13th edition, this product is insoluble in water, HCl, HNO3 and dilute H2SO4. It is soluble in hot concentrated H2SO4 and hydrofluoric acid.
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What is the morphology of Product 637254, Titanium(IV) oxide, anatase - nanopowder?
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According to the supplier, the morphology of this product is expected to be spherical.
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