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Titanium dioxide

Titanium dioxide Suppliers list
Company Name: Mainchem Co., Ltd.
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Products Intro: Product Name:Titanium dioxide
CAS:13463-67-7
Company Name: Aoxuan Biological Technology Co., Ltd.
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Products Intro: Product Name:supply C-PVP c-pvp CPVP CAS NO.13415-55-9
CAS:13463-67-7
Purity:99.9% Package:25g/aluminum foil bag,$100/bag Remarks:amy@hebeiaoxuan.com
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Products Intro: Product Name:Titanium dioxide
CAS:13463-67-7
Purity:98% Package:36/KG
Company Name: Shanghai Macklin Biochemical Co.,Ltd.  Gold
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Products Intro:Product Name:Titanium(IV) oxide
CAS:13463-67-7
Purity:99.995% metals basis Package:500g
Company Name: Shanghai Aladdin Bio-Chem Technology Co.,LTD  Gold
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Products Intro:Product Name:Titanium(IV) oxide
CAS:13463-67-7
Purity:99.99% metals basis Package:89RMB/100G
Titanium dioxide Basic information
Product Name:Titanium dioxide
Synonyms:UNITANE;PIGMENT WHITE 6;TIO2;TITANIC ANHYDRIDE;TITAN DIOXIDE;TITANIA;TITANIUM(+4)OXIDE;TITANIUM DIOXIDE, ANATASE
CAS:13463-67-7
MF:O2Ti
MW:79.87
EINECS:215-280-1
Product Categories:Inorganics;Indoles;Inorganic Chemicals;metal oxide;PETRO CHEM;colorant;Pharmaceutical intermediates
Mol File:13463-67-7.mol
Titanium dioxide Structure
Titanium dioxide Chemical Properties
Melting point 1840 °C
Boiling point 2900 °C
density 4.26 g/mL at 25 °C(lit.)
refractive index 2.61
Fp 2500-3000°C
storage temp. -20°C
form powder
color White to slightly yellow
PH7-8 (100g/l, H2O, 20℃)(slurry)
Water Solubility insoluble
Merck 14,9472
CAS DataBase Reference13463-67-7(CAS DataBase Reference)
NIST Chemistry ReferenceTitanium dioxide(13463-67-7)
EPA Substance Registry SystemTitanium oxide (TiO2)(13463-67-7)
Safety Information
Hazard Codes Xn,Xi,C
Risk Statements 20-36/37/38-20/21/22-38-20/21-10-36/38-22-36-34-40
Safety Statements 26-36-25-2-36/37-45-36/37/39
WGK Germany -
RTECS XR2275000
TSCA Yes
HS Code 28230000
Hazardous Substances Data13463-67-7(Hazardous Substances Data)
MSDS Information
ProviderLanguage
Titania English
SigmaAldrich English
ACROS English
ALFA English
Titanium dioxide Usage And Synthesis
Chemical PropertiesThe naturally occurring dioxide exists in three crystal forms: anatase, rutile and brookite. While rutile, the most common form, has an octahedral structure. Anatase and brookite have very distorted octahedra of oxygen atoms surrounding each titanium atom. In such distorted octahedral structures, two oxygen atoms are relatively closer to titanium than the other four oxygen atoms. Anatase is more stable than the rutile form by about 8 to 12 kJ/mol (Cotton, F.A., Wilkinson, G., Murillo, C.A and M Bochmann. 1999. Advanced Inorganic Chemistry, 6th ed, p. 697, New York: John Wiley & Sons) Other physical properties are: density 4.23g/cm3; Mohs hardness 5.8 g/cm3 ( anatase and brookite) and 6.2 g/cm3 ( rutile); index of refraction 2.488 (anatase), 2.583 (brookite) and 2.609 (rutile); melts at 1,843°C; insoluble in water and dilute acids; soluble in concentrated acids.
UsesTitanium dioxide is an extreme white and bright compound with high index of refraction. In paints it is a white pigment and an opacifying agent.It is in house paints, water paints, lacquers, enamels, paper filling and coating, rubber, plastics, printing ink, synthetic fabrics, floor coverings, and shoe whiteners. Also, it is used in colorants for ceramics and coatings for welding rods. A rutile form of the dioxide is used in synthetic gem stones.
Uses
Industry Application Role/benefit
Pigment Optical coating for dielectric mirrors and gemstones Brightness and very high refractive index
Paper coating Helps to make paper whiter, brighter and more opaque
Plastics, adhesives and rubber Helps minimize the brittleness, fading and cracking that can occur as a result of light exposure
Food Contact materials and ingredients Prevents premature degradation and enhance the longevity of the product
Paints Gives paint its high gloss and rich depth of color
Ceramic glazes Acts as an opacifier and seeds crystal formation
Cosmetic Sunscreens Active ingredients/high refractive index and strong UV light absorbing capabilities
Daily cosmetics or make-up materials Additive/aids in hiding blemishes and brightening the skin
Toothpastes Additive/helps to whiten tooth
Catalyst Dye-sensitized solar cell Can produce electricity in nanoparticle form
Hydrolysis reaction Catalyzes the photo decomposition of water into hydrogen and oxygen
Automotive, power stations, etc. Helps to removes harmful exhaust gas emissions, such as nitrous oxides, volatile organic compounds, etc.
Detoxification or remediation of wastewater Photocatalytically mineralizes pollutants (to convert into CO2 and H2O) in waste water
Photocatalytic antimicrobial coating Photocatalytic destruction of organic matter
Others Oxygen sensor The electrical resistivity of TiO2 can be correlated to the oxygen content of the atmosphere
Anti-fogging coatings and self-cleaning windows Under exposure to UV light, TiO2 becomes increasingly hydrophilic
Coated ceramic tile Disinfectant and self-cleaning qualities
Treatment of the air in fruit, vegetable and cut flower storage areas Removes ethylene gas to prevent spoilage and prevents internal combustion
Memristor Can be employed for solar energy conversion
Mixed conductor Significant ionic and electronic conduction
 
   
UsesAirfloated ilmenite is used for titanium pigment manufacture. Rutile sand is suitable for welding-rod-coating materials, as ceramic colorant, as source of titanium metal. As color in the food industry. Anatase titanium dioxide is used for welding-rod-coatings, acid resistant vitreous enamels, in specification paints, exterior white house paints, acetate rayon, white interior air-dry and baked enamels and lacquers, inks and plastics, for paper filling and coating, in water paints, tanners' leather finishes, shoe whiteners, and ceramics. High opacity and tinting values are claimed for rutile-like pigments.
PreparationTitanium dioxide is mined from natural deposits. It also is produced from other titanium minerals or prepared in the laboratory. Pigment-grade dioxide is produced from the minerals, rutile and ilmenite. Rutile is converted to pigment grade rutile by chlorination to give titanium tetrachloride, TiCl4. Anhydrous tetrachloride is converted back to purified rutile form by vapor phase oxidation.
Anatase form is obtained by hydrolytic precipitation of titanium(IV) sulfate on heating. The mineral ilmenite is treated with concentrated sulfuric acid. Heating the sulfate solution precipitates hydrous titanium oxide. The precipitate is calcined to expel all water.
Titanium dioxide also can be prepared by heating Ti metal in air or oxygen at elevated temperatures.
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