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637254

Sigma-Aldrich

氧化钛 (IV)，锐钛矿

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

别名:

二氧化钛

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About This Item

线性分子式:
TiO2
CAS号:
1317-70-0
分子量:
79.87
EC 号:
215-280-1
MDL编号:
MFCD00011269
UNSPSC代码:
12352302
PubChem化学物质编号:
24882841
NACRES:
NA.23

质量水平

100

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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相关类别

一般描述

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.

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

从最新的版本中选择一种：

分析证书(COA)

Lot/Batch Number
0000400865
0000373851
0000368509
0000363162
0000355737

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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.

Erlantz Lizundia et al.
ACS applied bio materials, 3(8), 5263-5274 (2020-08-17)
Binary and ternary poly(l-lactide) (PLLA)-based nanocomposites, containing nanolignin (1 wt %) and different metal oxide nanoparticles (0.5 wt %, Ag2O, TiO2, WO3, Fe2O3, and ZnFe2O4), were realized by solvent casting, and their morphological, thermal, surface, optical, antioxidant, and antimicrobial characterizations
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)
Nano-titanium oxide doped with gold, silver, and palladium - synthesis and structural characterization
Wanda Z, et al.
Chemical Papers, 68(7), 959-968 null
Monica Catarina Botelho et al.
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie, 68(1), 59-64 (2013-09-21)
Manufacturing or using nanomaterials may result in exposure of workers to nanoparticles. Potential routes of exposure include skin, lung and gastrointestinal tract. The lack of health-based standards for nanomaterials combined with their increasing use in many different workplaces and products
Jonathan W Peterson et al.
The Science of the total environment, 532, 398-403 (2015-06-19)
Fluoroquinolone antibiotics (FQs) are important drugs used in human and veterinary medicine. Their detection in natural waters and waste water treatment plants, along with increased resistance to FQs among some bacteria, have generated an increased interest in the fate of
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