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248576

Sigma-Aldrich

Titanium(IV) oxide, anatase

powder, −325 mesh, ≥99% trace metals basis

Synonym(s):

Titanium dioxide

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About This Item

Linear Formula:
TiO2
CAS Number:
1317-70-0
Molecular Weight:
79.87
EC Number:
215-280-1
MDL number:
MFCD00011269
UNSPSC Code:
12352303
PubChem Substance ID:
24854937
NACRES:
NA.23

description

contains ∼5% rutile

Assay

≥99% trace metals basis

form

powder

particle size

−325 mesh

average diameter

45 μm

mp

1825 °C (lit.)

density

3.9 g/mL at 25 °C (lit.)

SMILES string

O=[Ti]=O

InChI

1S/2O.Ti

InChI key

GWEVSGVZZGPLCZ-UHFFFAOYSA-N

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General description

Anatase titanium(IV) oxide, also known as titanium dioxide or titania, is a white crystalline powder that is widely used in a variety of applications. Anatase is one of the three naturally occurring crystalline phases of titanium dioxide, the other two being rutile and brookite. Among these three phases, anatase is the most reactive and tends to have the highest surface area, which makes it useful in applications where high reactivity and surface area are desirable.

Application

Phase-pure anatase is employed in the solid state synthesis of the mixed oxide NaTiO2 which has been considered as a possible antiferromagnetic material.

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Maura Dantuma et al.
Biomedical optics express, 10(11), 5921-5939 (2019-12-05)
Imaging parameters of photoacoustic breast imaging systems such as the spatial resolution and imaging depth are often characterized with phantoms. These objects usually contain simple structures in homogeneous media such as absorbing wires or spherical objects in scattering gels. While
Clarke, S.J. et al.
Chemistry of Materials, 10, 372-372 (1998)
Gordon T Kennedy et al.
Journal of biomedical optics, 22(7), 76013-76013 (2017-07-21)
Tissue simulating phantoms can provide a valuable platform for quantitative evaluation of the performance of diffuse optical devices. While solid phantoms have been developed for applications related to characterizing exogenous fluorescence and intrinsic chromophores such as hemoglobin and melanin, we
Alberto J Ruiz et al.
Journal of biomedical optics, 25(5), 1-15 (2020-05-23)
Expanded use of fluorescence-guided surgery with devices approved for use with indocyanine green (ICG) has led to a range of commercial systems available. There is a compelling need to be able to independently characterize system performance and allow for cross-system
Maura Dantuma et al.
Journal of biomedical optics, 27(7) (2021-12-11)
During the development and early testing phases of new photoacoustic (PA) breast imaging systems, several choices need to be made in aspects of system design and measurement sequences. Decision-making can be complex for state-of-the-art systems such as 3D hybrid photoacoustic-ultrasound
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