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634662

Sigma-Aldrich

氧化钛(IV)，金红石和锐钛矿混合物

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

别名:

二氧化钛

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About This Item

线性分子式:
TiO2
CAS号:
13463-67-7
分子量:
79.87
EC 号:
236-675-5
MDL编号:
MFCD00011269
UNSPSC代码:
12352302
PubChem化学物质编号:
24882641
NACRES:
NA.23

$183.00

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方案

99.5% trace metals basis

表单

nanopowder

粒径

<100 nm (BET)
<50 nm (XRD)

SMILES字符串

O=[Ti]=O

InChI

1S/2O.Ti

InChI key

GWEVSGVZZGPLCZ-UHFFFAOYSA-N

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相关类别

一般描述

钛 (IV) 氧化物是一种金红石和锐钛矿 (TiO2) 纳米粉末的混合物，它是一种具有锐钛矿和金红石晶体相的光催化材料。 由于其对相接触点的电荷有高效的分离能力，光催化中使用了这两种矿物。[1][2]

应用

TiO2可用于多种医用植入体，如牙科植入体、脊柱固定和关节置换。[3]它还可用于稳定的胶体溶液，配制RPMI细胞培养基。[4]在染料敏化太阳能电池的制造中，它形成一层导电层。[5]
具有不同性质的光电极可以采用钛 (IV) 氧化物纳米颗粒的胶体悬浮液制备。[6]

储存分类代码

11 - Combustible Solids

WGK

nwg

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000362105
0000362105
0000300599
MKCW8474
0000241197

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Edwin A Segura González et al.
Polymers, 10(12) (2019-04-10)
Polymer composite materials based on polylactic acid (PLA) filled with titanium dioxide (TiO₂) nanoparticles were prepared. The aim of this work was to investigate the antibacterial action of TiO₂ against a strain of E. coli (DH5α) to obtain information on
Discrimination of the active crystalline phases in anatase-rutile mixed titanium (IV) oxide photocatalysts through action spectrum analyses
Torimoto T, et al.
Physical Chemistry Chemical Physics, 4(23), 5910-5914 (2002)
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)
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
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Questions

1–6 of 6 Questions  

  1. 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

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  2. 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

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

    1 answer

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

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  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.

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  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

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  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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