Titanium Dioxide
Pigment White 6, Titanium White
- CAS
- 13463-67-7
- EC
- 236-675-5
- Food Code
- E171
- Sectors
- Coatings, Adhesives, Sealants & Elastomers, Plastics & Polymers, Personal Care & Cosmetics
Titanium Dioxide (CAS 13463-67-7) is an inorganic white pigment that occurs in rutile, anatase, and brookite forms and is supplied as an odorless white powder, valued for its hiding power in paints, plastics, and cosmetics. Density 4.23 g/cm³ (rutile), melting point 1843°C, boiling point 2972°C, insoluble in water/acids/bases; occurs as rutile, anatase, brookite; greatest hiding power among white pigments.
Typical Properties
| Molecular formula | O2Ti |
|---|---|
| Molecular weight | 79.87 g/mol |
| Appearance | Ttitanium dioxide is an odorless white powder. |
| Form | powder |
| Color | White to slightly yellow |
| Odor | at 100.00?%. odorless |
| Melting point | 1843 °C |
| Boiling point | 2500-3000 °C |
| Density | 4.23 g/cm³ |
| Water solubility | insoluble |
| Flash point | 2500-3000°C |
| pH | 7-8 (100g/l, H2O, 20°C)(slurry) |
| GHS signal word | Danger · Irritant / harmful, Health hazard |
| HS code | 28230000 |
| Grades available | Food Grade, Cosmetic Grade, Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Titanium Dioxide
Applications
Used as white pigment in paints, plastics, paper, inks, foods, cosmetics, toothpaste; UV protector in sunscreens; photocatalyst; in ceramics, fibers, rubber, electronics; opacity in porcelain enamels, flooring.
Safety & Risks
May cause silicosis-like effects from inhalation; irritant to eyes/skin/respiratory; Prop 65 cancer warning (airborne); noncombustible but dust explosive; incompatible with strong oxidizers/acids.
Packaging
In 25kg bags or bulk; store in dry, ventilated areas.