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Merck
CN

637254

Sigma-Aldrich

Titanium dioxide, anatase

nanopowder, <25 nm particle size, 99.7% trace metals basis

别名:

二氧化钛

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关于此项目

线性分子式:
TiO2
化学文摘社编号:
分子量:
79.87
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.23
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产品名称

氧化钛 (IV),锐钛矿, nanopowder, <25 nm particle size, 99.7% trace metals basis

质量水平

方案

99.7% trace metals basis

表单

nanopowder

表面积

45-55 m2/g

粒径

<25 nm

mp

1825 °C (lit.)

密度

3.9 g/mL at 25 °C (lit.)

堆积密度

0.04‑0.06 g/mL

应用

battery manufacturing

SMILES字符串

O=[Ti]=O

InChI

1S/2O.Ti

InChI key

GWEVSGVZZGPLCZ-UHFFFAOYSA-N

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一般描述

我们的锐钛矿氧化钛纳米粉末是一种细白色粉末,由粒径小于 25 nm 的二氧化钛纳米颗粒组成。锐钛矿是TiO2的亚稳态多晶型,硬度和密度均低于金红石多晶型。从光学角度来看,锐钛矿纳米粉末的折射率较低,吸收的紫外线较少,且表现出比金红石多晶型更高的光催化活性。因此,在需要光催化活性的应用中——例如自清洁表面和太阳能电池——锐钛矿通常是首选。

应用

二氧化钛糊剂可用作自清洁玻璃的透明涂层。低光学散射的二氧化钛-丙烯酸酯纳米复合材料已有报道。基于二氧化钛和二-(异硫氰酸酯)-双-(2,2′-联吡啶-4,4′-二羧酸酯)钌(II)的太阳能电池中的金属接触已有研究。

储存分类代码

13 - Non Combustible Solids

WGK

nwg

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What does "Trace Metal Basis" mean?

    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.

  5. What is the average particle size of Product 637254, Titanium(IV) oxide, anatase - nanopowder?

    Lot history shows that the average particle size of this product is about 5 nm. The batch-specific average will be reported on the certificate of analysis.

  6. What is the solubility of Product 637254, Titanium(IV) oxide, anatase - nanopowder?

    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.

  7. What is the morphology of Product 637254, Titanium(IV) oxide, anatase - nanopowder?

    According to the supplier, the morphology of this product is expected to be spherical.

  8. What is the Department of Transportation shipping information for this product?

    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. 

  9. What possible solvents can be used with Titanium(IV) oxide, anatase - nanopowder?

    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.

  10. How is Titanium(IV) oxide, anatase - nanopowder, Product 637254, manufactured?

    According to the manufacturer, product 637254 is produced by a process of calcination at 300°C.

  11. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Filip Pošćić et al.
International journal of environmental research and public health, 13(6) (2016-06-15)
The implications of metal nanoparticles (MeNPs) are still unknown for many food crops. The purpose of this study was to evaluate the effects of cerium oxide (nCeO₂) and titanium oxide (nTiO₂) nanoparticles in soil at 0, 500 and 1000 mg·kg(-1)
Mojca Pavlin et al.
International journal of molecular sciences, 23(11) (2022-06-11)
Alongside physiochemical properties (PCP), it has been suggested that the protein corona of nanoparticles (NPs) plays a crucial role in the response of immune cells to NPs. However, due to the great variety of NPs, target cells, and exposure protocols
Preparation of small particles of titanium (IV) oxide
Mohs CR and Klabunde KJ
Nanophase Materials, 260, 121-124 (1994)
TiO2-Acrylate Nanocomposites Elaborated by UV-Curing with Tunable Properties.
Burunkova JA, et al.
Solid State Phenomena, 200, 173-177 (2013)
Cell cycle synchronization reveals greater G2/M-phase accumulation of lung epithelial cells exposed to titanium dioxide nanoparticles
Medina-Reyes, et al.
Environmental Science and Pollution Research International, 1-7 (2014)

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