TITANIUM MONOXIDE Property

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

crystal system

Cube

Space group

Fm3m

Lattice constant

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.4182	0.4182	0.4182	90	90	90	0.0731

Dielectric constant

110.0（Ambient）

CAS DataBase Reference

12137-20-1(CAS DataBase Reference)

EPA Substance Registry System

Titanium oxide (TiO) (12137-20-1)

Safety

WGK Germany 

3

TSCA 

Yes

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H225Highly Flammable liquid and vapour

H260In contact with water releases flammable gases which may ignite spontaneously

H302Harmful if swallowed

H314Causes severe skin burns and eye damage

H335May cause respiratory irritation

H351Suspected of causing cancer

H371May cause damage to organs

H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P223Keep away from any possible contact with water, because of violent reaction and possible flash fire.

P231+P232Handle under inert gas. Protect from moisture.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P243Take precautionary measures against static discharge.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P335+P334Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages.

P363Wash contaminated clothing before reuse.

P370+P378In case of fire: Use … for extinction.

P402+P404Store in a dry place. Store in a closed container.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P403+P235Store in a well-ventilated place. Keep cool.

P405Store locked up.

P501Dispose of contents/container to..…

TITANIUM MONOXIDE Chemical Properties,Usage,Production

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 χ_m = +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).