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634662

Sigma-Aldrich

Titanium(IV) oxide, mixture of rutile and anatase

nanopowder, <100 nm particle size (BET), 99.5% trace metals basis

Synonim(y):

Titanium dioxide

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25 G
423,00 zł
100 G
1380,00 zł

423,00 zł

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25 G
423,00 zł
100 G
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About This Item

Wzór liniowy:
TiO2
Numer CAS:
13463-67-7
Masa cząsteczkowa:
79.87
Numer WE:
236-675-5
Numer MDL:
MFCD00011269
Kod UNSPSC:
12352302
Identyfikator substancji w PubChem:
24882641
NACRES:
NA.23

423,00 zł

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Poziom jakości

100

Próba

99.5% trace metals basis

Formularz

nanopowder

wielkość cząstki

<100 nm (BET)
<50 nm (XRD)

ciąg SMILES

O=[Ti]=O

InChI

1S/2O.Ti

Klucz InChI

GWEVSGVZZGPLCZ-UHFFFAOYSA-N

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Opis ogólny

Titanium(IV) oxide, mixture of rutile and anatase (TiO2) nanopowder is a photocatalytic material with anatase and rutile as the crystalline phases. The two minerals are utilized in photocatalysis due to their efficient charge separation across phase junctions.[1][2]

Zastosowanie

Photoelectrodes of varying properties can be made using colloidal suspensions of titanium(IV) oxide nanoparticles.[3]
TiO2 can be used in a variety of medical implants, such as dental implants, spinal fixations, and joint replacements.[4] It can also be used in a stable colloidal solution for the formation of RPMI cell culture medium.[5] It forms a conductive layer in the fabrication of dye sensitized solar cells.[6]
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Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

nwg

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Środki ochrony indywidualnej

Eyeshields, Gloves, type N95 (US)

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Certyfikaty analizy (CoA)

Lot/Batch Number
0000362105
0000362105
0000300599
MKCW8474
0000241197

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Dwutlenek tytanu United States Pharmacopeia (USP) Reference Standard

USP

1667585

Dwutlenek tytanu

Effects of material properties on sedimentation and aggregation of titanium dioxide nanoparticles of anatase and rutile in the aqueous phase
Liu X, et al.
Journal of Colloid and Interface Science, 363(1), 84-91 (2011)
Elina A Genina et al.
Journal of biomedical optics, 18(11), 111406-111406 (2013-07-17)
Fractional laser ablation is one of the relatively safe and minimally invasive methods used to administer micro- and nanoparticles into the skin at sufficiently large depth. In this article, we present the results of delivery of TiO₂ nanoparticles and Al₂O₃
A E Desjardins et al.
Optics express, 15(10), 6200-6209 (2007-05-14)
We present a novel method for rapidly acquiring optical coherence tomography (OCT) images at multiple backscattering angles. By angularly compounding these images, high levels of speckle reduction were achieved. Signal-to-noise ratio (SNR) improvements of 3.4 dB were obtained from a
Substrates for flexible electronics: A practical investigation on the electrical, film flexibility, optical, temperature, and solvent resistance properties
Zardetto V, et al.
Journal of Polymer Science. Part B, Polymer Physics, 49(9), 638-648 (2011)
Induction of cell death by TiO2 nanoparticles: studies on a human monoblastoid cell line
Vamanu CI, et al.
Toxicology in vitro, 22(7), 1689-1696 (2008)
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Questions

1–6 of 6 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. 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

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. 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

      Helpful?

  3. Would like to know the surface area of the nanoparticle?

    1 answer

    1. The surface area for this product is not determined.

      Helpful?

  4. I would like to know if you have the size distribution for these nanoparticles available. And if you have microscopy images. Thanks

    1 answer

    1. The particle size distribution of this material is not tested on a lot-to-lot basis. However, historical data indicates a typical range of 25 - 65 nm with a maximum particle size of 100 nm. Unfortunately, images are not available.

      Helpful?

  5. is it soluble ?

    1 answer

    1. This product is not soluble in water. Historical data indicates that this material is soluble in hot, concentrated sulfuric acid or hydrofluoric acid. Note that product 700347 is a 40% dispersion of this compound in water. Please see the link below to review this product option:
      https://www.sigmaaldrich.com/product/aldrich/700347

      Helpful?

  6. Percentage of rutile and anatase in this mixedphase please?

    1 answer

    1. The ratio of rutile to anatase is approximately 55 parts rutile to 100 parts anatase or approximately 35% rutile and 65% anatase.

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