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Titanium dioxide

Titanium dioxide Suppliers list
Company Name: Shenzhen Sendi Biotechnology Co.Ltd.
Tel: 0755-23311925 18102838259
Products Intro: Product Name:Titanium dioxide
Purity:98% Package:36/KG
Company Name: Shanghai Macklin Biochemical Co.,Ltd.  Gold
Products Intro:Product Name:Titanium(IV) oxide
Purity:99.995% metals basis Package:500g
Company Name: Shanghai Aladdin Bio-Chem Technology Co.,LTD  Gold
Products Intro:Product Name:Titanium(IV) oxide
Purity:99.99% metals basis Package:89RMB/100G
Company Name: J & K SCIENTIFIC LTD.  
Tel:400-666-7788 +86-10-82848833;
Products Intro:Product Name:TitaniuM(Ⅳ) oxide
Purity:98% Package:100G,25G,500G
Company Name: Meryer (Shanghai) Chemical Technology Co., Ltd.  
Tel:+86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
Products Intro:Product Name:TitaniuM dioxide
Purity:98% Package:25g;50g;500g Remarks:D62001
Titanium dioxide Basic information
Product Name:Titanium dioxide
Product Categories:Inorganics;Indoles;Inorganic Chemicals;metal oxide;PETRO CHEM;colorant
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
RIDADR UN 1307 3/PG 3
WGK Germany -
RTECS XR2275000
HS Code 28230000
Hazardous Substances Data13463-67-7(Hazardous Substances Data)
MSDS Information
Titania English
SigmaAldrich English
ACROS English
ALFA English
Titanium dioxide Usage And Synthesis
Chemical Propertieswhite to almost white powder
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.
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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