637254

Sigma-Aldrich

Titanium(IV) oxide, anatase

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

Sinónimos:
Titanium dioxide
Fórmula lineal:
TiO2
Número de CAS:
Peso molecular:
79.87
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

99.7% trace metals basis

form

nanopowder

particle size

<25 nm

surface area

spec. surface area 45-55 m2/g

mp

1825 °C (lit.)

density

3.9 g/mL at 25 °C (lit.)

bulk density

0.04‑0.06 g/mL

Featured Industry

Battery Manufacturing

SMILES string

O=[Ti]=O

InChI

1S/2O.Ti

InChI key

GWEVSGVZZGPLCZ-UHFFFAOYSA-N

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General description

Titanium (IV) oxide nanopowder is widely used in skin products, additives, and foods. Nano titania has been proved to be the most active photocatalytic semiconductor under ultraviolet radiation. Titanium isopropoxide, titanium (IV) butoxide has been used as precursor materials to synthesize nano-titania.

Application

Titania paste may be used as a transparent coating for self cleaning glass.Low optical scattering titania-acrylate nanocomposites have been reported. Metal contacts in solar cells based on titanium dioxide and di-(isothiocyanate)-bis-(2,2′-bipyridyl-4,4′-dicarboxylate)ruthenium(II) have been studied.

Packaging

50, 100, 500 g in glass bottle

storage_class_code

13 - Non Combustible Solids

WGK Germany

nwg

Flash Point F

Not applicable

Flash Point C

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificado de Análisis

Certificado de origen

  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.

Nano-titanium oxide doped with gold, silver, and palladium - synthesis and structural characterization
Wanda Z, et al.
Chemical Papers, 68(7), 959-968 null
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)
Wenjie Yang et al.
Small (Weinheim an der Bergstrasse, Germany), 16(30), e2002236-e2002236 (2020-06-25)
This research reports gold (Au) and platinum (Pt) nanocatalysts spatially confined in a porous carbon nanosphere as a new solar-driven carbon nanoreactor (CNR). The CNRs have confined size (≈100 nm), high specific surface area, and high thermal and electrical conductivity....
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