[(dioxotantalio)oxy]dioxotantalum

• ChemBase编号: 129700
• 分子式: O5Ta2
• 平均质量: 441.8928
• 单一同位素质量: 441.8705631
• SMILES: O=[Ta](=O)O[Ta](=O)=O
• Canonical SMILES: O=[Ta](=O)O[Ta](=O)=O
• InChI: InChI=1S/5O.2Ta
• InChIKey: PBCFLUZVCVVTBY-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: [(dioxotantalio)oxy]dioxotantalum
• IUPAC传统名: [(dioxotantalio)oxy]dioxotantalum; tantalum pentoxide
• 别名: 五氧化二钽(V), 光谱级; 五氧化钽; 氧化钽(V); 五氧化二钽(V), Puratronic®; 五氧化二钽(V); Tantalum pentoxide; Tantalum(V) oxide, Spectrographic Grade; Tantalum pentoxide; Tantalum(V) oxide; Tantalum(V) oxide, Puratronic®

登记号

• CAS号: 1314-61-0
• EC号: 215-238-2
• MDL号: MFCD00011254
• 默克索引号: 149056
• PubChem SID: 162223989; 24852274; 24858127
• PubChem CID: 518712; 518172
• 维基百科标题: Tantalum_pentoxide

理论计算性质

• 质子受体: 4
• 质子供体: 0
• LogD (pH = 5.5): -1.1344
• LogD (pH = 7.4): -1.1344
• Log P: -1.1344
• 摩尔折射率: 7.1218 cm^3
• 极化性: 18.560326 Å^3
• 极化表面积: 77.51 Å^2
• 可自由旋转的化学键: 2
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: insoluble in ethanol, most acid ; soluble in hot conc.HF; Insoluble in water, alcohol, mineral acids. Soluble in HF; negligible in water
• 外观: 3-12mm Sintered Lump; -325 Mesh Powder; powder; Powder; white, odorless powder
• 熔点: 1800°C
• 密度: 8.2; 8.2 g/mL at 25 °C(lit.); 8.20 g/cm^3
• 折射率: 2.275

安全信息

• RTECS编号: WW5855000
• 德国WGK号: 3
• TSCA收录: 是
• 个人保护装置: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

产品相关信息

• 纯度: 99% (metals basis); 99% trace metals basis; 99.5%; 99.5% (metals basis); 99.85% (metals basis); 99.95% (metals basis excluding Nb), Nb 0.1-1%; 99.99% trace metals basis; 99.993% (metals basis excluding Nb), Nb 50ppm max
• 颗粒大小: <20 μm; -60 mesh
• 线性分子式: Ta2O5

详细说明

Sigma Aldrich - 303518

包装
100 g in poly bottle
25 g in glass bottle

Sigma Aldrich - 697222

包装
25 g in glass bottle

Sigma Aldrich - 204536

包装
10, 50 g in poly bottle