Description
| Names | |
| IUPAC names
Titanium dioxide |
|
| Other names
Titania |
|
| Identifiers | |
| CAS Number | · 13463-67-7 |
| 3D model (JSmol) | · Interactive image |
| ChEBI | · CHEBI:32234 |
| ChEMBL | · ChEMBL1201136 |
| ChemSpider | · 24256 |
| ECHA InfoCard | 100.033.327 |
| E number | E171 (colours) |
| KEGG | · C13409 |
| PubChem CID | · 26042 |
| RTECS number | XR2775000 |
| UNII | · 15FIX9V2JP |
| InChI[show] | |
| SMILES[show] | |
| Properties | |
| Chemical formula | TiO 2 |
| Molar mass | 79.866 g/mol |
| Appearance | White solid |
| Odor | Odorless |
| Density | · 4.23 g/cm3 (rutile)
· 3.78 g/cm3 (anatase) |
| Melting point | 1,843 °C (3,349 °F; 2,116 K) |
| Boiling point | 2,972 °C (5,382 °F; 3,245 K) |
| Solubility in water | Insoluble |
| Band gap | 3.05 eV (rutile)[1] |
| Magnetic susceptibility (χ) | +5.9·10−6 cm3/mol |
| Refractive index(nD) | · 2.488 (anatase)
· 2.583 (brookite) · 2.609 (rutile) |
| Thermochemistry | |
| Std molar entropy (So298) |
50 J·mol−1·K−1[2] |
| Std enthalpy of formation(ΔfHo298) |
−945 kJ·mol−1[2] |
| Hazards | |
| Safety data sheet | ICSC 0338 |
| EU classification(DSD) (outdated) | Not listed |
| NFPA 704 | 0
1 0 |
| Flash point | Non-flammable |
| US health exposure limits (NIOSH): | |
| PEL(Permissible) | TWA 15 mg/m3[3] |
| REL(Recommended) | Ca[3] |
| IDLH (Immediate danger) | Ca [5000 mg/m3][3] |
| Related compounds | |
| Other cations | Zirconium dioxide Hafnium dioxide |
| Related Titaniumoxides | Titanium(II) oxide Titanium(III) oxide Titanium(III,IV) oxide |
| Related compounds | Titanic acid |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| verify (what is ?) | |
| Infobox references | |
source:https://en.wikipedia.org/wiki/Titanium_dioxide
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