14021

Sigma-Aldrich

Titanium(IV) oxide

ReagentPlus®, ≥99%

Synonym(s):
Titanium dioxide, Titania
Linear Formula:
TiO2
CAS Number:
Molecular Weight:
79.87
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.55

Quality Level

product line

ReagentPlus®

assay

≥99%

form

nanoparticles

loss

≤0.5% loss on ignition, 1000 °C, 2 h

mp

>350 °C (lit.)

density

4.26 g/mL at 25 °C (lit.)

cation traces

As: ≤5 mg/kg
Fe: ≤50 mg/kg
Pb: ≤50 mg/kg

SMILES string

O=[Ti]=O

InChI

1S/2O.Ti

InChI key

GWEVSGVZZGPLCZ-UHFFFAOYSA-N

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General description

Titanium dioxide (TiO2, titania) is one of the most important materials having various important applications, such as water and air purification, self-cleaning materials and photovoltaic cells. TiO2 is an n-type semiconductor having a wide band gap (3.2eV for anatase and 3.0eV for rutile). Deposition of thin films of TiO2 doped with Mn on F-doped SnO2-coated glass by spin coating has been described. Deposition of thin films of titanium dioxide (TiO2) on various substrates by a simple sol-gel dip coating technique has been proposed. It has various photocatalytic applications where it can be used in two forms, i.e as highly dispersed fine particles on porous support materials and as suspended fluids in liquid medium.

Application

Titanium (IV) oxide may be used as a photocatalyst material, due to its ability to absorb solar energy and light induced reactivity with water and hence it finds applications in environmental photocatalytic water purification. Titanium (IV) oxide nanomaterials, which are found to be biocompatible and environment friendly, may find applications in optical biosensors.

Packaging

1 kg in poly bottle

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

storage_class_code

11 - Combustible Solids

WGK Germany

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Titanium dioxide photocatalysis
Fujishima A, et al.
Journal of Photochemistry and Photobiology, C: Photochemistry Reviews, 1(1), 1-21 (2000)
Defect chemistry of titanium dioxide. Application of defect engineering in processing of TiO2-based photocatalysts
Nowotny.K.M, et al.
The Journal of Physical Chemistry C, 112(14), 5275-5300 (2008)
Titanium dioxide nanomaterials for sensor applications
Bhai J and Zhou B
Chemical Reviews, 114(19), 10131-10176 (2014)
Multivalent Mn-doped TiO2 thin films.
Lin CYW, et al.
Physica E: Low-Dimensional Systems and Nanostructures, 44(!0), 1969-1972 (2012)
Preparation of titanium (IV) oxide thin film photocatalyst by sol-gel dip coating.
Sonawane RS, et al.
Materials Chemistry and Physics, 77(3), 744-750 (2003)

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