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| 化学名: | チタン(II)オキシド | | 英語化学名: | TITANIUM MONOXIDE | | 别名: | TiO;Titanium oxide (TiO);Titanium oxide, alpha;titaniumoxide(tio);TITANIUM MONOOXIDE;TITANIUM MONOXIDE;TITANIUM(+2)OXIDE;TITANIUM(II) OXIDE | | CAS番号: | 12137-20-1 | | 分子式: | OTi | | 分子量: | 63.87 | | EINECS: | 235-236-5 | | カテゴリ情報: | metal oxide;Inorganics | | Mol File: | 12137-20-1.mol |  |
| 融点 | 1700°C | | 沸点 | >3000°C | | 比重(密度) | 4,95 g/cm3 | | 闪点 | >3000°C | | 外見 | pieces | | 色 | yellow cubic crystals, crystalline | | 比重 | 4.95 | | 水溶解度 | 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 | | Dielectric constant | 110.0（Ambient） | | CAS データベース | 12137-20-1(CAS DataBase Reference) | | EPAの化学物質情報 | Titanium oxide (TiO) (12137-20-1) |
| | チタン(II)オキシド Usage And Synthesis |
| 化学的特性 | 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). | | 化学的特性 | bronze pellets; fcc; weakly basic oxide with no important industrial uses [HAW93] [STR93] [KIR83] | | 物理的性質 | 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 χm = +88 × 10–6 emu. | | 使用 | 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. | | 定義 | ChEBI: Titanium(II) oxide is a titanium oxide containing approximately equal numbers of titanium and oxygen ions. | | 製造方法 | 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)
| | 反応性 | 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).
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