CAS 13463-67-7 Titanium(IV) oxide - Materials / Alfa Chemistry

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Titanium(IV) oxide

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Catalog Number

ACM13463677-42

CAS Number

13463-67-7

Product Name

Titanium(IV) oxide

Structure

Category

Nanowires; Organic Solar Cell (OPV) Materials

Synonyms

Titanium dioxide, Titania

Description

Nanopowder , 21 nm primary particle size (TEM), ≥99.5% trace metals basis

IUPAC Name

dioxotitanium

Molecular Weight

79.87 g/mol

Molecular Formula

TiO2

Canonical SMILES

O=[Ti]=O

InChI

1S/2O.Ti

InChI Key

GWEVSGVZZGPLCZ-UHFFFAOYSA-N

Boiling Point

3287 °C (lit.)

Melting Point

1850 °C>350 °C (lit.)

Flash Point

Not applicable

Purity

nanopowder,21 nmprimaryparticlesizeTEM,≥99.5%tracemetalsbasis

Density

4.26 g/mL at 25 °C (lit.)

Solubility

less than 1 mg/mL at 68° F (NTP, 1992);Insoluble in water and organic solvents. Dissolves slowly in hydrofluoric acid and in hot concentrated sulphuric acid.;Insoluble in water;Soluble in hot concentrated sulfuric acid; in hydrofluoric acid; insoluble in hydrochloric acid, nitric acid or diluted sulfuric acid;INSOL IN ORG SOLVENTS;SOLUBLE IN ALKALI;Solubility in water: none;Insoluble

Appearance

nanopowder

Application

TiO2 nanoparticles were used to study the photocatalytic hexane vapor degradation. It has been used as a sorbent for arsenic removal. TiO2 nanoparticles are suitable for remediation of antiseptic components in wastewater by photocatalysis. It has also been used to study adsorption of DNA oligonucleotides by titanium dioxide nanoparticles.

Storage

2-8°C

Assay

≥99.5% trace metals basis

Color/Form

White, tetragonal crystals;White powder in two crystalline forms, anatase and rutile;AMORPHOUS, INFUSIBLE POWDER;White powder

Complexity

18.3

Covalently-Bonded Unit Count

EC Number

236-675-5

Exact Mass

79.93777g/mol

Form

Nanopowder

Formal Charge

Hazard Statements

H302-H318-H373

Heavy Atom Count

ICSC Number

0338

MDL Number

MFCD00011269

MeSH Entry Terms

anatase;anatase titanium dioxide;brookite;food additive E171;nano-anatase;nano-TiO₂;rutile;Titania;titanium dioxide;titanium oxide;titanium white

Monoisotopic Mass

79.93777g/mol

NSC Number

15204

Odor

Odorless

Other Experimental

GRAVIMETRIC FACTOR: 0.33279;ANATASE: INDEX OF REFRACTION (NA): 2.554; 2.493; SPECIFIC GRAVITY: 3.84; BROOKITE: INDEX OF REFRACTION (NA): 2.583; 2.586; 2.741; SPECIFIC GRAVITY: 4.17 RUTILE: SPECIFIC GRAVITY: 4.26; INDEX OF REFRACTION (NA): 2.616; 2.903;Reactivity depends on previous heat treatment; prolonged heating produces less soluble material; made soluble by fusion with potassium bisulfate or alkali hydroxides or carbonates to form alkali titanates; Index of refraction: 2.7 (Titania crystals);RUTILE: X-RAY CRYSTALLOGRAPHIC DATA: CRYSTAL SYSTEM: TETRAGONAL; SPACE GROUP: P4/MNM(136); 2 G FORMULA WT/UNIT CELL; X-RAY CRYSTALLOGRAPHIC DATA: AO= 4.5937 + OR - 0.0005; CO= 2.9618 + OR - 0.0010;ANATASE: X-RAY CRYSTALLOGRAPHIC DATA: CRYSTAL SYSTEM: TETRAGONAL; SPACE GROUP: I41/AMD(141); 4 G FORMULA WT/UNIT CELL X-RAY CRYSTALLOGRAPHIC DATA: AO= 3.785 + OR - 0.002; CO= 9.514 + OR - 0.006;BROOKITE: X-RAY CRYSTALLOGRAPHIC DATA: CRYSTAL SYSTEM: ORTHORHOMBIC; SPACE GROUP: PCAB (61); 8 G FORMULA WT/UNIT CELL X-RAY CRYSTALLOGRAPHIC DATA: AO= 5.456 + OR - 0.002; BO= 9.182 + OR - 0.005; CO= 5.143 + OR - 0.003;When substantially pure, a massive single crystal (boule) of rutile has properties of precious gem with a very light straw color and with reflectance, refraction and brilliance measuring greater than those of a diamond. ... high opacity and tinting values are claimed for rutile-like pigments.;Titania is ... large ... crystals (translucent water-white or with yellowish cast) these crystals have refractive index ... higher than diamonds ... but lack hardness of diamonds.;Possesses perhaps the greatest hiding power of all inorg white pigments;Brown tetragonal crystals; MP: 1560 °C; density: 3.9 g/cu cm /Titanium(IV)oxide (Anatase)/;White, orthorhombic crystals; density: 4.17 g/cu cm /Titanium(IV)oxide (Brookite)/;White, tetrahedral crystals; MP: 1843 °C; BBP: approximately 3000 °C; density: 4.17 g/cu cm. Insoluble in water, dilute acid; soluble in concentrated acid /Titanium(IV)oxide (Rutile)/

Packaging

100 g

SUSPENSION IN WATER (1 IN 10) IS NEUTRAL TO LITMUS;

Precautionary Statements

P280-P305+P351+P338+P310

Refractive Index

n20/D 1.520

Rotatable Bond Count

Signal Word

Danger

Specific Surface Area

35-65 m2/g (BET)

Topological Polar Surface Area

34.1A^2

Vapor Pressure

0 mm Hg at 68 °F Essentially (NTP, 1992);0 mmHg (approx);0 mmHg (approx)

MSDS

Download MSDS

COA

Download COA

Spec Sheet

Download Spec Sheet

Case Study

Preparation of Titanium (IV) Oxide Nanoparticle Dispersed Polyester Resin Composites

Ismail, Amr S., et al. Arabian Journal for Science and Engineering, 2020, 45, 197-203.

TiO2 reinforced linear saturated polyester resin nanocomposites can be prepared by dispersing metal oxide powder into aqueous polyester dispersion. The composition and crystallinity of this polyester nanocomposite are greatly reduced due to ionization. Furthermore, it also exhibits a highly condensed morphology and has high conductivity values due to cross-linking and temperature. The biological activity of the nanocomposites has higher value than the free polyester.
Synthetic procedure of titanium (IV) oxide dispersed polyester resin nanocomposites
· An aqueous dispersion of polyester was prepared by adding 9.95 g of polyester to 50 ml of H2O under vigorous stirring for 3 h at room temperature.
· Metal oxides were added slowly as a powder and were vigorously stirred with 0.05 g of titanium (IV) oxide for 3 h such that a weight percent of 0.05 for metal oxide/polyester was established.
· The suspension was stirred for 3 h followed by aging for 48 h at 100 °C in an autoclave. Then after washing and drying, the final nanocomposite product was obtained.

Preparation of Titanium Dioxide-Based Photocatalytic Materials

Tsang, Chi Him A., et al. Environment International, 2019, 125, 200-228.

Titanium dioxide (TiO2) family materials have been widely studied as photocatalysts from pure TiO2 to chemically modified TiO2-based materials due to their strong activity in photocatalytic reactions. As a semiconductor photocatalyst, titanium dioxide has excellent properties such as non-toxicity, chemical stability, high photocatalytic activity, ability to form thin films on substrates, and environmental friendliness.
Synthesis of Chemically Modified Titanium Dioxide Photocatalyst
· Metal-doped TiO2: From ordinary metals to transition metal particles or ions, all can be used as dopants for TiO2. For example, Fe-doped TiO2 can be used to catalyze the photodecomposition of CH3Cl.
· Metal oxide doped TiO2: Common metal oxide dopants include WO3, MnO2, FeOx, YOx, VOx, NiO and ZnO, etc.
· Doping TiO2 with non-metal elements: Doping TiO2 with non-metal elements is also an effective candidate method, such as anions (N3-, C4-, S4-), halides (F-, I-) and amines.
· TiO2 supported on substrates: Nanomaterials can be used as carriers to support TiO2 to improve its photocatalytic performance. Examples include carbon nanotubes (CNTs), graphitic carbonitrile (gC3N4), carbon fibers, and graphene.

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