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TITANIUM MONOXIDE

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TITANIUM MONOXIDE Basic information

Product Name:
TITANIUM MONOXIDE
Synonyms:
  • TiO
  • Titanium oxide (TiO)
  • Titanium oxide, alpha
  • titaniumoxide(tio)
  • TITANIUM MONOOXIDE
  • TITANIUM MONOXIDE
  • TITANIUM(+2)OXIDE
  • TITANIUM(II) OXIDE
CAS:
12137-20-1
MF:
OTi
MW:
63.87
EINECS:
235-236-5
Product Categories:
  • metal oxide
  • Inorganics
Mol File:
12137-20-1.mol
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TITANIUM MONOXIDE Chemical Properties

Melting point:
1700°C
Boiling point:
>3000°C
Density 
4,95 g/cm3
Flash point:
>3000°C
form 
pieces
Specific Gravity
4.95
color 
yellow cubic crystals, crystalline
Water Solubility 
Soluble in concentrated sulfuric acid, concentrated hydrofluoric acid and alkali. Insoluble in water, diluted sulfuric acid, hydrochloric acid, nitric acid and organic solvents.
Crystal Structure
Cubic
Dielectric constant
110.0(Ambient)
CAS DataBase Reference
12137-20-1(CAS DataBase Reference)
EPA Substance Registry System
Titanium oxide (TiO) (12137-20-1)
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Safety Information

WGK Germany 
3
TSCA 
Yes

MSDS

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TITANIUM MONOXIDE Usage And Synthesis

Chemical Properties

bronze pellets; fcc; weakly basic oxide with no important industrial uses [HAW93] [STR93] [KIR83]

Chemical Properties

Titanium monoxide, TiO, has a rock-salt structure but can exist with both oxygen and titanium vacancies. For stoichiometric TiO, the lattice parameter is 417 pm, but varies from ca 418 pm at 46 atom % to 4162 pm at 54 atom % oxygen. Apparently, stoichiometric TiO has ca 15% of the Ti and O sites vacant. At high temperatures (>900 °C (1,652 °F)), these vacancies are randomly distributed; at low temperatures, they become ordered. Titanium monoxide may be made by heating a stoichiometric mixture of titanium metal and titanium dioxide powders at 1,600 °C (2,912 °F).

Physical properties

Gold-bronze solid. Prepared by mixing stoichiometric amounts of Ti and TiO2 heated in a Mo-crucible at 1600°C or by the reduction of TiO2with H under pressure at 130 atm and 2000°C. Slightly paramagnetic solid with χm = +88 × 10–6 emu.

Uses

Used for vacuum deposition. Also applications include sunscreens and UV-blocking in cosmetics, varnishes, wood preservatives, textile fibers, and packaging films. Also used as paint pigment, opacifying agent, welding rod fluxes, optical coatings, as a catalyst, ceramic finish coat, plastics, elastomers, coated fabrics, printing inks, roofing granules, glass, and in glazes. Also identified as Titanium monoxide.

Definition

ChEBI: Titanium(II) oxide is a titanium oxide containing approximately equal numbers of titanium and oxygen ions.

Preparation

Titanium monoxide or hongquiite (TiO) may be prepared by direct reduction by mixing stoichiometric amounts of titanium metal and titanium dioxide into a molybdenum crucible at 1600°C or reduction of the titanium dioxide with hydrogen under pressure at 130 atm and 2000°C.
Ti (s) + TiO2(s) —> 2 TiO(s) (1600°C)

Reactions

On heating the monoxide in air, the compound reverts to other titanium oxides as a function of temperature increase:
TiO(s) —> Ti2O3(s) (200°C);
TiO(s) —> Ti3O5(s) (250–350°C);
TiO(s) —> TiO2(s) (350°C).

TITANIUM MONOXIDESupplier

J & K SCIENTIFIC LTD.
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Alfa Aesar
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